Wagner, K.E. and S.R. Ross.  2009.  Sequencing performance and error trends in gorillas (Gorilla gorilla gorilla) and chimpanzees (Pan troglodytes).   American Journal of Primatology, 71, Supplement 1: 35.  

Wroblewski, E.E., Murray, C.M., Keele, B.F., and Schumacher-Stankey, J.C.  2009.  Male dominance rank and reproductive success in chimpanzees, Pan troglodytes schweinfurthii.   Animal Behaviour, 77:873-885.  

Atsalis, S., Margulis, S. W., and Hof, P.R. (eds).  2008.  Primate Reproductive Aging: Cross-Taxon Perspectives.   Karger Press.  

Bangert, R.K., Lonsdorf, E., Wimp, G.M., Shuster, S.M., Fischer, D., Schweitzer, J.A., Allan, G.J., Bailey, J.K., and Whitham,T.G.  2008.  Genetic structure of a foundation species: scaling community phenotypes from the individual to the region.   Heredity, 100:121-131.  

Foster, M.W., Linick, S.A., Milstein, M.S., Wagner, K.E., Margulis, S.W., Ross, S.R., and Lonsdorf, E.V.  2008.  Motivating a new generation of primatologists: the Lincoln Park Zoo’s Exploring Ape Behavior Program.   American Journal of Primatology, 70:38.  

Lavin, S.R. and Karasov, W.H.  2008.  Allometry of paracellular absorption in birds.   Physiological and Biochemical Zoology, 81: 551-560.  

Lavin, S.R., Karasov, W.H., Ives, A.R., Middleton, K.M., and Garland, T. Jr.  2008.  Morphometrics of avian intestine, compared with non-flying mammals: a phylogenetic approach.   Physiological and Biochemical Zoology, 81: 526-550.  

Linick, S.A., Lonsdorf, E.V., Ross, S.R., and Milstein M.S.  2008.  The development of termite-fishing skills in captive Western lowland gorilla infants (Gorilla gorilla gorilla).    American Journal of Primatology, 70:58.  

Loeding, E., Santymire, R., Bernier, D., and Thomas, J.  2008.  Using hormones to determine the impact of an introduction of sable antelope (Hippotragus niger) at the Lincoln Park Zoo.   Chicago Zoological Society Animal Welfare Symposium. Brookfield Zoo. May 28- 30, 2008.  

Lynch, C.  2008.  Population Biology: the science of population management for captivity, reintroduction, and conservation.   Wildlife Middle East News, 2(4).  

Margulis, S.W.  2008.  Book review: Gorilla Society: Conflict, Compromise, and Cooperation Between the Sexes.   American Journal of Physical Anthropology, 137: 241.  

Margulis, S.W. and Gentry, L.  2008.  Behavioral Effects of Introducing Pied Tamarin (Saguinus bicolor) to Black Howler Monkey (Alouatta caraya) and White-Faced Saki (Pithecia pithecia) in a Zoological Park.   American Journal of Primatology, 70: 1–5.  

Margulis, S.W. and Pruett-Jones, M.  2008.  Integrating science and husbandry: less is more.   The Well-being of Animals in Zoo and Aquarium Sponsored Research: Putting Best Practices Forward, 25-38.  

Margulis, S.W., Westhus, E.J.  2008.  Evaluation of different observational sampling regimes for use in zoological parks.   Applied Animal Behaviour Science.  

Milstein, M.S., Lonsdorf, E.V., Ross, S.R. and Linick S.A.  2008.  A comparison between chimpanzee (Pan troglodytes) and gorilla (Gorilla gorilla gorilla) social tolerance at an artificial termite mound.   American Journal of Primatology, 70:58.  

Nelson, E., Polasky, S., Lewis, D., Plantinga, A., Lonsdorf, E., White, D., Bael, D., and Lawler, J.   2008.  Efficiency of incentives to jointly increase carbon sequestration and species conservation on a landscape.   Proceedings of the National Academy of Sciences, 105:9471–9476.  

Polasky, S., Nelson, E., Camm, J., Csuti, B., Fackler, P., Lonsdorf, E., Montgomery, C., White, D., Arthur, J., Garber-Yonts, B., Haight, R., Kagan, J., Starfield, A., and Tobalske, C.  2008.  Where to put things? Spatial land management to sustain biodiversity and economic returns.   Biological Conservation, 141: 1505-1524.  

Ross, S.R. and Wagner, K.E.  2008.  Differential behavior patterns in zoo-housed apes between exhibits and holding: Effects on welfare assessment.   American Journal of Primatology, 70:41.  

Ross, S.R., Lukas, K.E., Lonsdorf, E.V., Stoinski, T.S., Hare, B., Shumaker, R. and Goodall, J.  2008.  Inappropriate Use and Portrayal of Chimpanzees.   Science, 319: 1487.  

Ross, S.R., Wagner, K.E., Lonsdorf, E.V.  2008.  Preliminary evidence for sequential list-learning by a western lowland gorilla (Gorilla gorilla gorilla): Performance measures and analysis of errors.   Primate Eye, 96.  

Santymire, R.M., and Armstrong, D.  2008.  Designing an effective fecal hormone extraction method for field work.   Proceedings: Society for Conservation Biology 22nd Annual Meeting, Chattanooga, Tennessee, p. 45 (abstract #137).  

Santymire, R.M., P.E. Marinari, P.E., Kreeger, J.S., Wildt, D.E., and Howard, J.G.  2008.  Increased sensitivity to sperm cryopreservation in the black-footed ferret (Mustela nigripes) compared to the domestic ferret (Mustela putorius furo).   Proceedings: Society for the Study of Reproduction, Biology of, Reproduction p. 63 (abstract 19).  

Schweitzer, J.A., Bailey, J.K., Fischer, D.G., Leroy, C.J., Lonsdorf, E., Whitham, T.G., and Hart, S.C.  2008.  Plant-soil-microorganism interactions: Heritable relationship between plant genotype and associated soil microorganisms.   Ecology, 89:773-781.  

Travis, D., Lonsdorf, E.V., Mlengeya, T., Raphael, J.   2008.  A science-based approach to managing disease risks for ape conservation.   American Journal of Primatology, 70: 766-777.  

Wagner, K. and Ross, S.R.  2008.  Chimpanzee (Pan troglodytes) birth patterns and human presence in zoological settings.   American Journal of Primatology, 70: 1-4.  

Wagner, K.E. and Ross, S.R.  2008.  Association between self-directed behaviors and performance in a cognitive sequencing task in a female chimpanzee.   American Journal of Primatology, 70:55.  

Williams, J.M., Lonsdorf, E.V., Wilson, M.L., Schumacher-Stankey, J., Goodall, J, Pusey, A. E.   2008.  Causes of death in the Kasekela chimpanzees of Gombe National Park, Tanzania.   American Journal of Primatology, 70: 745-750.  

Wisely, S.M., Howard, J.G., Williams, S.A., Bain, O., Santymire, R.M., Bardsley, K.D., and Williams, E.S.  2008.  An unidentified filarial species and its impact on fitness in wild populations of the black-footed ferret (Mustela nigripes).   Journal of Wildlife Diseases 44(1):53-64.  

Barbiers, R.B.  2007.  Disease Risk Communication and Highly Pathogenic Avian Influenza.   Animal Keepers’ Forum, 34: 459-470.   

Beck, B., Walkup, K., Rodrigues, M., Unwin, S., Travis, D. and Stoinski, T.  2007.  Best Practice Guidelines for the Re-introduction of Great Apes.   IUCN/SSC Primate Specialist Group, Gland, Switzerland.   

Caviedes-Vidal, E., McWhorter T.J., Lavin, S.R., Chediack, J.G., Tracy C.R., and Karasov, W.H.  2007.  The digestive adaptation of flying vertebrates: high intestinal paracellular absorption compensates for smaller guts.   Proceedings of the National Academy of Sciences of the USA, 104(48): 19132-19137.  

Gamble, K. C.  2007.  Internal Anatomy of the Hornbill Casque Described by Radiography, Contrast Radiography, and Computed Tomography.   Journal of Avian Medicine and Surgery, 21(1): 38-49.  

Halloran, A.R., Broadfield, D., Ross, S.R. and Marshall, A.  2007.  Exploring diachronic change in the group specific vocalizations of chimpanzees (Pan troglodytes).   American Journal of Physical Anthropology (Suppl 44): 123-124  

Harju, S., Santymire, R.M., and Etchberger, R.  2007.  Population density and stress hormones: Are prairie dogs subject to Allee effects?   Proceedings of the Wildlife Society. 14th Annual Conference, Tucson, Arizona.  

Kay, E.H., Lonsdorf, E., and Pruett-Jones, S.   2007.  Null models for population variation in morph frequencies in polymorphic damselflies.   Animal Behaviour, 74: e1-e8.  

Lacasse, C., Terio, K., Kinsel, M.J., Farina, L.L., Travis, D.A., Greenwald, R., Lyashchenko, K.P., Miller, M. and Gamble, K.C.  2007.  Two cases of atypical mycobacteriosis caused by associated with mortality in captive African elephants (Loxodonta africana).   Journal of Zoo and Wildlife Medicine, 38(1): 101-107.  

Lavin, S.R.   2007.  Small intestine morphometrics and paracellular absorption in birds and mammals, Ph.D. Dissertation.   University of Wisconsin, Madison.  

Lavin, S.R., McWhorter, T.J., and Karasov, W.H.  2007.  Mechanistic bases for differences in passive absorption.   Journal of Experimental Biology, 210: 2754-2764.  

Lonsdorf, E.V.  2007.  The Role of Behavioral Research in the Conservation of Chimpanzees and Gorillas.   Journal of Applied Animal Welfare Science, 10(1): 71-78.  

Margulis, S.W., Atsalis, S., Bellem, A., Wielebnowski, N.  2007.  Assessment of reproductive behavior and hormonal cycles in geriatric Western Lowland gorillas.   Zoo Biology, 26: 117-139.  

Margulis, S.W., Sayer, E.C., and Whitham, J.C.  2007.  Who Needs a Forelimb Anyway? Locomotor, Postural and Manipulative Behavior in a One-Armed Gibbon.   Zoo Biology, 26: 215–222.  

Melber, T.M., Lonsdorf, E.V. and Ross, S.R.  2007.  Social learning of tool-use skills in captive chimpanzees (Pan troglodytes) and gorillas (Gorilla gorilla gorilla).   American Journal of Primatology 69 (supplement 1): 100-101.  

Morgan, D.B. and Sanz, C.M.  2007.  Best Practice Guidelines for Reducing the Impact of Commercial Logging on Great Apes in Western Equatorial Africa.   Gland, Switzerland: IUCN SSC Primate Specialist Group (PSG). 32 pp.  

O'Donnell, C.R. and Travis, D.  2007.  West Nile Virus.   International Zoo Yearbook, 41: 75-84.  

Ross, S.R., Lonsdorf, E.V. and Stoinski, T.S.  2007.  Assessing the welfare implications of visitors in a zoo setting: A comment on Wells (2005).   Applied Animal Behaviour Science, 102: 130-133.  

Ross, S.R., Lonsdorf, E.V. and T.S. Stoinski.  2007.  Assessing the welfare implications of visitors in a zoo setting: A comment on Wells (2005).   Applied Animal Behaviour Science, 102: 130-133.  

Santymire, R.M., Lonsdorf, E., Lynch, C., Marinari, P., Kreeger, J., Wildt, D.E., and Howard, J.G.  2007.  Increasing inbreeding results in declining seminal quality, pregnancy success and litter size in the endangered black-footed ferret, Mustela nigripes.   Proceedings: Society for Conservation Biology 21st Annual Meeting, South Africa, p. 127 (abstract#227).  

Santymire, R.M., P.E. Marinari, J.S. Kreeger, D.E. Wildt and J.G. Howard.  2007.  Slow Cooling Prevents Cold-Induced Damage to Sperm Motility and Acrosomal Integrity in the Black-Footed Ferret (Mustela nigripes).   Reproduction, Fertility and Development 19:652-663.  

Sanz, C.M, Morgan, D.B., Strindberg, S., and Onononga, J.R.   2007.  Distinguishing between the nests of sympatric chimpanzees and gorillas.   Journal of Applied Ecology, 44(2): 263-272.  

Sanz, C.M. and Morgan, D.B.  2007.  Chimpanzee tool technology in the Goualougo Triangle, Republic of Congo.   Journal of Human Evolution, 52(4): 420-433.  

Vreeman, V.M. and Ross, S.R.  2007.  Do seasonal changes affect activity in captive chimpanzees (Pan troglodytes) and gorillas (Gorilla gorilla gorilla) living in a northern zoo?    American Journal of Primatology 69 (supplement 1): 89.  

Wagenius, S., Lonsdorf, E., and Neuhauser, C.   2007.  Patch aging and the S-allee effect: Breeding system effects on the demographic response of plants to habitat fragmentation.    American Naturalist, 169:383-397.  

Walsh, P.D., Breuer,T., Sanz, C.M., Morgan, D.B., and Doran-Sheehy, D.  2007.  Potential for Ebola transmission between gorilla and chimpanzee social groups.   American Naturalist, 169(5): 684-689.  

Atsalis, S. and Margulis, S.W.  2006.  Sexual and hormonal cycles in geriatric western lowland gorillas.   International Journal of Primatology, 27: 1663-1687.  

Bloomsmith, M.A., Ross, S.R., Bettinger, T., Clay, A.W. and Anderson, U.  2006.  Cross-sectional study of the behavioral development of young male chimpanzees in twenty zoos.   American Journal of Primatology 68 (supplement 1): 48.  

Cranfield, M., Gaffikin, L., Minnis, R., Nutter, F., Rwego, I., Travis, D. and Whittier, C.  2006.  Clinical Response to Decision Tree for the Mountain Gorilla (Gorilla beringeii) as a Model for Great Apes.   American Journal of Primatology: Special Topics Issue, 68: 909-927.  

Cronin, K., Mitchell, M., Lonsdorf, E.V. and Thompson, S.D.  2006.  One year later: evaluation of the PMC-recommended births and transfers.   Zoo Biology, 25: 267-278.  

Engel, G., Hungerford, L.L., Jones-Engle, L., Travis, D.A., Eberle, R., Fuentes, A., Grant, R., Kyes, R., Schillaci, M., and the Macaque Risk Analysis Workshop Group.  2006.  Risk Assessment: A Model for Predicting Cross-Species Transmission of Simian Foamy Virus from Macaques (M. fascicularis) to Humans at a Monkey Temple in Bali, Indonesia.   American Journal of Primatology: Special Topics Issue, 68: 934-948.  

Faust L.J., Earnhardt, J.E. and Thompson, S.D.  2006.  Is reversing the decline of Asian elephants in captivity possible? An individual-based modeling approach.   Zoo Biology, 25(3): 201-218.  

Howard, J.G., Moreland, R.B., Marinari, P.E. and Wildt, D.E.  2006.  Use of reproductive technology for black-footed ferret recovery.   Symposium on the Status of the Black-Footed Ferret and its Habitat, Fort Collins, Colorado. In press.  

Kehl, N.  2006.  Creation of a bill sleeve and the use of operant conditioning to improve the care of hornbills at Lincoln Park Zoo.   Animal Keepers' Forum, 33(4): 155-161.  

Lacasse, C. and Gamble, K.C.  2006.  Tracheitis caused by Bordetella bronchiseptica in a polar bear (Ursus maritimus).   Journal of Zoo and Wildlife Medicine, 37 (2): 190-192.  

Lonsdorf, E.V.  2006.  The role of the mother in the acquisition of tool-use skills in wild chimpanzees.   Animal Cognition, 9: 36-46.  

Lonsdorf, E.V., Ross, S.R. and Melber, T.N.  2006.  An experimental, comparative approach to social learning of tool-use skills in chimpanzees (Pan troglodytes) and gorillas (Gorilla gorilla gorilla).   International Journal of Primatology (supplement 1): 27.  

Lonsdorf, E.V., Travis, D., Pusey, A.E. and Goodall, J.  2006.  Using retrospective health data from the Gombe chimpanzee study to inform future monitoring efforts.   American Journal of Primatology: Special Topics Issue on Disease Risk Analysis, 68: 897-908.  

Margulis, S.W. and Pruett-Jones, M.  2006.  Integrating science and husbandry: less is more.   The Well-being of Animals in Zoo and Aquarium Sponsored Research: Putting Best Practices Forward, In press.  

Margulis, S.W., Rafacz, M. and Jacobs, B.  2006.  The effectiveness of environmental enrichment: Lessons learned and rules of thumb.   Proceedings of the 2005 International Conference on Environmental Enrichment, Columbia University, New York.  

Melber, T.N., Lonsdorf, E.V., and Ross, S.R.  2006.  The Lester E. Fisher Center for the Study and Conservation of Apes: A new center for the advancement of research, conservation and education.   American Journal of Primatology 68 (supplement 1): 121.  

Murphy, H.W., Miller, M., Ramer, J., Travis, D.A., Barbiers, R.B., Wolfe, N., and Switzer, W.  2006.  Implications of simian retroviruses for captive primate population management and the occupational safety of primate handlers.   Journal of Zoo and Wildlife Medicine, 37: 219.  

Pukazhenthi, B., R. Santymire, A. Crosier, J.G. Howard, D. E. Wildt.  2006.  Challenges in cryopreserving endangered mammal spermatozoa: morphology and the value of acrosomal integrity as markers of cryo-survival.   Spermatology. Soc Reprod Fertil Suppl, Nottingham: Nottingham Press, 65:433–446.  

Ross, S.R.  2006.  Issues of choice and control in a pair of captive polar bears (Ursus maritimus).   Behavioural Processes, 73(1): 117-120.  

Ross, S.R. and Lukas, K.E.  2006.  Attitudes and knowledge of visitors towards African apes at a North American Zoo.    International Journal of Primatology (supplement 1): 27.  

Ross, S.R. and Lukas, K.E.  2006.  Use of space in a non-naturalistic environment by chimpanzees (Pan troglodytes) and lowland gorillas (Gorilla gorilla gorilla).   Applied Animal Behaviour Science, 96: 143-152.  

Ross, S.R., Bettinger, T.M., and Bloomsmith, M.A.  2006.  Patterns of wounding incidents in captive chimpanzee groups with adolescent males.   International Journal of Primatology (supplement 1): 27.  

Santymire, R.M., Marinari, P.E., Kreeger, J.S., Wildt, D.E., and Howard, J.G.  2006.  Determining semen osmolality and effect of medium osmolality on sperm viability in the black-footed ferret (Mustela nigripes).   Cryobiology 54:37-50.  

Santymire, R.M., Marinari, P.E., Kreeger, J.S., Wolf, K.N., Wildt, D.E. and Howard, J.G.  2006.  Reproductive deficiency and asynchrony in yearling male black-footed ferrets.   Symposium on the Status of the Black-Footed Ferret and its Habitat. January 28 – 29, 2004, Fort Collins, Colorado. In press.  

Schmidt, D.A., Ellersieck, M.R., Cranfield, M.R. and Karesh, W.B.  2006.  Cholesterol values in free-ranging gorillas (Gorilla gorilla gorilla) and Bornean orangutans (Pongo pygmaeus).   Journal of Zoo and Wildlife Medicine, 37(3): 292-300.  

Schmidt, D.A., Mulkerin, D., Boehm, D.R., Lu, Z., Ellersieck, M.R., Campbell, M., Chen, T.C. and Holick, M.F.  2006.  Preliminary report on vitamin D synthesizing capacity of artificial light sources over time using in vitro ampules.   Proceedings of the 6th Biennial Symposium of the Comparative Nutrition Society, Keystone, Colorado.  

Schmidt, D.A., Travis, D.A. and Williams, J.  2006.  Guidelines for creating a food safety HACCP program in zoos or aquaria.   Zoo Biology, 25(2): 125-135.  

Shuster, S.M., Lonsdorf, E., Wimp, G.M., Bailey, J.K., and Whitham, T.G.  2006.  Community heritability measures the evolutionary consequences of indirect genetic effects on community structure.    Evolution, 60:991-1003.  

Travis, D.A. and Barbiers, R.B.  2006.  Impact of emerging and zoonotic disease on mammal management.   Wild Mammals in Captivity: Principles and Techniques. University of Chicago Press. Chicago, Illinois. In press.  

Travis, D.A., Hungerford, L., Engel, G.A., and Jones-Engel, L.  2006.  Disease Risk Analysis: A Tool for Primate Conservation Planning and Decision Making.   American Journal of Primatology: Special Topics Issue, 68: 855-867.  

Whitham, T.G., Bailey, J.K., Schweitzer, J.A., Shuster, S.M., Bangert, R.K., Leroy, C.J., Lonsdorf, E., Allan, G.J., DiFazio, S.P., Potts, B.M., Fischer, D.G., Gehring, C.A., Lindroth, R.L., Marks, J.C., Hart, S.C., Wimp, G.M., and Wooley, S.C.  2006.  A framework for community and ecosystem genetics: from genes to ecosystems.   Nature Reviews Genetics, 7:510-523.  

Wilson, M.L., Bashaw, M.J., Fountain, K., Kieschnick, S. and Maple, T.L.  2006.  Nocturnal behavior in a group of female African elephants   Zoo Biology, 23(3): 173-186.  

Barbiers, R.B.  2005.  Book review of Physiology and Behaviour of Animal Suffering by N.G. Gregory.   Journal of Zoo and Wildlife Medicine, 36: 735.  

Blasier, M. W., Travis, D. A. and Barbiers, R.  2005.  Retrospective evaluation of measles antibody titers in vaccinated captive gorillas (Gorilla gorilla gorilla).   Journal of Zoo and Wildlife Medicine, 36(2): 198–203.  

Bloomsmith, M.A., Baker, K.C., Ross, S.R. and Lambeth, S.P.  2005.  Early rearing conditions and captive chimpanzee behavior: Some surprising findings.   Nursery Rearing of Nonhuman Primates in the 21st Century. Kluver Academic Publishers, New York, New York, 289-312.  

Davis, M. and Gamble, K.C.  2005.  Clinical challenge (Ventricular mural thrombus in a mona monkey).   Journal of Zoo and Wildlife Medicine. In press.  

Gamble, K.C., Garner, M. M., West, G., Didier, E.S., Cali, A. and Alvarado, T.P.  2005.  Kyphosis associated with microsporidial myositis in San Marcos Salamanders, Eurycea nana.   Journal of Herpetological Medicine and Surgery, 15(4): 14-18.  

Laflamme, D.P., Kuhlman, G., Lawler, D.R., Kealy, R.D. and Schmidt, D.A.  2005.  Obesity management in dogs.   Journal of Veterinary Clinical Nutrition, 1: 59-65.  

Lavin, S.R., McWhorter, T.J. and Karasov, W.H.  2005.  Differences in paracellular absorption: a function of solvent drag or pore size?   Integrative and Comparative Biology, 45(6): 1030.  

Lonsdorf, E.V.  2005.  Sex differences in the development of termite-fishing skills in wild chimpanzees (Pan troglodytes schweinfurthii) of Gombe National Park, Tanzania.   Animal Behaviour, 70: 673-683.  

Lonsdorf, E.V. and Hopkins, W.D.  2005.  Wild chimpanzees show population-level handedness for tool use.   Proceedings of the National Academy of Sciences, 102: 12634-12638. http://www.pnas.org/cgi/content/abstract/0505806102.  

Lukas, K.E. and Ross, S.R.  2005.  Zoo visitor knowledge and attitudes towards gorillas and chimpanzees.   Journal of Environmental Education, 36(4): 33-48.  

Lynch, C.  2005.  Social behavior of the Guinea baboon.   AZA Baboon SSP Husbandry Manual. Wildlife Conservation Society, New York. In press.  

Margulis, S.W.  2005.  Candid Camera: comparing and contrasting observation methods.   Student Laboratory Exercises: Student Lab Manual. In press.  

Margulis, S.W.  2005.  The methods of animal behavior.   Student Laboratory Exercises: Student Lab Manual. In press.  

Margulis, S.W., Nabobg, M., Alaks, G., Walsh, A. and Lacy, R.C.  2005.  The role of early experience on subsequent parental behavior and reproductive success in Oldfield mice (Peromyscus polionotus).   Animal Behaviour, 69: 627-634.  

Polasky, S., Nelson, E., Lonsdorf, E.V., Fackler, P. and Starfield, T.  2005.  Conserving species in a working landscape: efficient land use with biological and economic objectives.   Ecological Applications, 15: 1387–1401.  

Pukazhenthi, B., Howard, J.G., Aitken-Palmer, C., Crosier, A., Santymire, R. and Wildt, D.E.  2005.  Challenges in cryopreserving endangered mammal spermatozoa: the value of acrosomal integrity.   Proceedings: Society for Cryobiology, Cryobiology. In press.  

Ross, M.R.  2005.  Chapter 3: Behavior and social organization.   Piping Plover Husbandry Manual. Piping Plover Specialist Group. In press.  

Ross, S.R and Lukas, K.E.  2005.  Zoo Visitor Behavior at an African Ape Exhibit.   Visitor Studies Today, 8(1): 4-12.  

Santymire, R.M., Marinari, P.E., Kreeger, J.S., Wildt, D.E. and Howard, J.G.  2005.  Cooling rate influences sperm motility and acrosomal integrity in the endangered black-footed ferret (Mustela nigripes).   Proceedings: Society for Cryobiology, Cryobiology. In press.  

Schmidt, D.A.  2005.  Orangutan Nutrition.   Orangutan SSP Husbandry Manual.  

Schmidt, D.A., Kerley, M.S., Dempsey, J.L., Porton, I.J., Porter, J.H., Griffin, M.E., Ellersieck, M.R. and Sadler, W.C.  2005.  Fiber digestibility by the orangutan (Pongo pygmaeus abelii): in vitro and in vivo.   Journal of Zoo and Wildlife Medicine, 36(4): 571-580.  

Schmidt, D.A., Kerley, M.S., Porter, J.H. and Dempsey, J.L.  2005.  Structural and nonstructural carbohydrate, fat, and protein composition of commercially available, whole produce.   Zoo Biology, 24(4): 359-373.  

Schmidt, D.A., Kerley, M.S., Porton, I.J., Porter, J.H., Dempsey, J.L., Griffin, M.E., Ellersieck, M.R. and Sadler, W.C.  2005.  Fiber digestibility by black lemurs (Eulemur macaco macaco).   Journal of Zoo and Wildlife Medicine, 36(4): 204-211.  

Travis, D.A., Gamble, K., Ross, M. and Barbiers, R.  2005.  Development of a tool for assessing and managing the risk of avian mycobacteriosis during avian translocation.   Proceedings of the American Association of Zoo Veterinarians. In press.  

Whitham, T.G., Lonsdorf, E., Schweitzer, J.A., Bailey, J.K., Fischer, D.G., Shuster, S.M., Lindroth, R.L., Hart, S.C., Allan, G.J., Gehring, C.A., Keim, P., Potts, B.M., Marks, J., Rehill, B.J., DiFazio, S.P., LeRoy, C.J., Wimp, G.M., and Woolbright, S.   2005.  All effects of a gene on the world: Extended phenotypes, feedbacks, and multi-level selection.   Ecoscience, 12:5-7.  

Wisely, S.M., Santymire, R.M., Livieri, T.M., Marinari, P.E., Kreeger, J.S., Wildt, D.E. and Howard, J.G.  2005.  Environment influences morphology and development for in situ and ex situ populations of the black-footed ferret (Mustela nigripes).   Animal Conservation, 8: 321-328.  

Ziccardi, M.H., Deem, S.L., Mazet, J.A.K. and Travis, D.A  2005.  The value of epidemiology in zoo and wildlife medicine.   Journal of Zoo and Wildlife Medicine. In press.  

Atsalis, S., Margulis, S.W., Bellem, A. and Wielebnowski, N.  2004.  Sexual behavior and hormonal estrus cycles in captive aged lowland gorillas (Gorilla gorilla).   American Journal of Primatology, 62: 123-132.  

Blasier, M., Travis, D.A., and Barbiers, R.B.  2004.  Retrospective evaluation of the measles vaccine in the historic population of western lowland gorillas at Lincoln Park Zoo.   Journal of Zoo and Wildlife Medicine, 36: 198-203.  

Brown, J.L., Goritz, F., Pratt-Hawkes, N. Hermes, R., Galloway, M., Graham, L.H., Gray, C., Walker, S.L., Gomez, A., Moreland, R., Murray, S., Schmitt, D.L., Howard, J.G., Lehnhardt, J., Beck, B., Bellem, A., Montali, R. and Hildebrandt, T.B.  2004.  Successful artificial insemination of an Asian elephant at the National Zoological Park.   Zoo Biology, 23: 45-63.  

Earnhardt, J.M., Thompson, S.D. and Schad, K.  2004.  Strategic planning for captive population: projecting changes in genetic diversity.   Animal Conservation, 7: 9-16.  

Eifler, D., Schad, K., Ray, J., and McInnes, L.   2004.  Anti-predator behavior and habitat selection for three nonindigenous Hemidactylus geckos in Florida.   Herpetological Review, 35(4):391-392.  

Engel, G.A., Jones-Engel, L.E., Schillaci, M.A., Heidrich, J., Lee, B., Chalise, M.K., Keyes, R.C. and Travis, D.  2004.  Considering human to primate transmission of measles virus through the prism of risk analysis.   Proceedings of the International Primatological Society, Torino, Italy.  

Engel, G.A., Jones-Engel, L.E., Schillaci, M.A., Rompis, A., Putra, A., Wandia, I., Suaryana, K.G., Fuentes, A., Keyes, R.C. and Travis, D.  2004.  Wound care among monkey forest workers in Bali, Indonesia: analyzing the risk of simian foamy virus transmission.   Proceedings of the International Primatological Society, Torino, Italy.  

Faust, L.J.  2004.  Animal Attractions: Nature on Display in American Zoos (Book Review).   Quarterly Review of Biology, 79(4): 431.  

Faust, L.J. and Earnhardt, J.M.  2004.   Zoo Risk: A Risk Assessment Tool. User’s Manual.. Lincoln Park Zoo, Chicago, Illinois.  

Faust, L.J., Jackson, R., Ford, A., Earnhardt, J. M. and Thompson, S.D.  2004.  Models for management of wildlife populations: Lessons from spectacled bears in zoos and grizzly bears in Yellowstone.   System Dynamics Review, 20(2): 163-178.  

Gamble, K.C.  2004.  Marsupial medicine.   Vet Clinics North America.  

Gamble, K.C., Garner, M.M., Krause, L. and Alvarado, T.P.  2004.  Pancreatic islet fibrosis in rock hyraxes (Procavia capensis), part I: case histories, clinical pathology, and epizootiology.   Journal of Zoo and Wildlife Medicine, 35: 361-369.  

Garner, M.M., Gamble, K.C., Raymond, J.T. and Alvarado, T.P.  2004.  Pancreatic islet fibrosis in rock hyraxes (Procavia capensis), part II: pathology, immunohistochemistry, and electron microscopy.   Journal of Zoo and Wildlife Medicine, 35: 280-291.  

Howard, J.G., Wisely, S.M., Santymire, R.M., Livieri, T.M., Kreeger, J.S., Marinari, P.E., Wildt, D.E. and Williams, E.S.  2004.  Biomedical survey of wild black-footed ferrets (Mustela nigripes).   Proceedings: Defenders of Wildlife Carnivores-Expanding Partnerships in Carnivore Conservation, 58.  

Lavin, S.R., McWhorter, T.J., and Karasov, W.H.  2004.  Do birds exhibit greater paracellular absorption than mammals?   Integrative and Comparative Biology, 44(6): 717.  

Lonsdorf, E.V., Pusey, A.E. and Eberly, L.  2004.   Sex differences in learning in chimpanzees. Nature, 428: 715-716.  
Please Note: The X-axis label of Figs. 1b and 1c should go from 0 to 100, not 0 to 1 as printed. Nature has printed a corrigendum.

Maestripieri, D. and Ross, S.R.  2004.  Maternal influences on infant behavioral development in western lowland gorillas.   Advances in Psychology Research, 27: 96-112.  

Maestripieri, D. and Ross, S.R.  2004.  Sex differences in play among western lowland gorilla (Gorilla gorilla gorilla) infants: Implications for adult behavior and social structure.   American Journal of Physical Anthropology, 123 (1): 52-61.  

Margulis, S.W.  2004.  Classroom activities in behavior.   Encyclopedia of Animal Behavior, 521-528.  

Miller, M., Travis, D., Barbiers, R., Murphy, H. and Ramer, J.  2004.  Overview of the Occupational Primate Disease Safety Guidelines for Zoological Institutions.   Proceedings of American Association of Zoo Veterinarians.  

Santymire, R.M., Howard, J.G., Wisely, S.M., Livieri, T.M., Kreeger, J.S., Marinari, P.E. and Wildt, D.E.  2004.  Seminal characteristics of wild black-footed ferrets (Mustela nigripes).   Proceedings: Defenders of Wildlife Carnivores-Expanding Partnerships in Carnivore Conservation Conference, 200.  

Travis, D. and Jones-Engel, L.E.  2004.  Disease risk analysis – a paradigm for using health-based data to affect primate conservation policy decision-making.   Proceedings of the International Primatological Society, Torino, Italy, August.  

Wilson, M.L., Bloomsmith, M.A. and Maple, T.L.  2004.  Stereotypic swaying and serum cortisol concentrations in three captive African elephants (Loxodonta africana).   Animal Welfare, 13: 39-43.  

Wisely, S.M., Livieri, T.M., Santymire, R.M. and Howard, J.G.  2004.  Reintroduction history affects genetic diversity and morphology of the black-footed ferret.   Proceedings: Defenders of Wildlife Carnivores-Expanding Partnerships in Carnivore Conservation, 82.  

Barbiers, R.  2003.  Insectivora and Dermoptera.   Zoo and Wild Animal Medicine: Current Therapy 5. W. B. Sanders Company. Philadelphia, Pennsylvania.  

Bloomsmith, M., Kuhar, C., Baker, K., Lambeth, S., Brent, L., Ross, S. and Fritz, J.  2003.  Primiparous chimpanzee mothers and their infants: Behavior, interactions, and success.   Applied Animal Behavior Science, 84: 235-250.  

Faust, L.J., Thompson, S.D., Earnhardt, J.M., Brown, E., Ryan, S., Sherman, M. and Yurenka, M.  2003.  Using stage-based system dynamics modeling for demographic management of captive populations.   Zoo Biology, 22: 45-64.  

Gamble, K.C.  2003.  Musophagiformes.   Zoo and Wild Animal Medicine: Current Therapy 5.  

Hopkins, W.D., Stoinski, T.S., Lukas, K.E., Ross, S.R. and Wesley, M.J  2003.  Comparative Assessment of handedness for a coordinated bimanual task in chimpanzees (Pan), gorillas (Gorilla), and orangutans (Pongo).   Journal of Comparative Psychology, 117(3): 302-308.  

Lavin, S.R., Van Deelen, T.R., Warner, R.W., Brown, P.B., and Ambrose, S.H.  2003.  Prey use by red foxes (Vulpes vulpes) in urban and rural areas of Illinois.   Canadian Journal of Zoology, 81:1070-1082.  

Lehmkuhler, J.W., Felton, E.E.D., Schmidt, D.A., Bader, K.J., Garrett, H.E. and Kerley, M.S.  2003.  Tree protection methods during the silvopastoral-system establishment in Midwestern USA: cattle performance and tree damage.   Agroforestry Systems, 59(1): 35-42.  

Long, S., Lynch, C. and Van Dyke, F.  2003.  Designing a captive breeding plan with real world constraints.   A workbook in conservation biology: solving practical problems in conservation, 63-67.  

Long, S., Lynch, C. and Van Dyke, F.  2003.  Implementing alternative captive breeding strategies.   A workbook in conservation biology: solving practical problems in conservation, 57-61.  

Long, S., Lynch, C. and Van Dyke, F.  2003.  Managing gene diversity in captive populations.   A workbook in conservatin biology: solving practical problems in conservation, 49-56.  

Long, S., Lynch, C. and Van Dyke, F.  2003.  Simple pedigree analysis.   A workbook in conservation biology: solving practical problems in conservation, 1-47.  

Margulis, S.W. and Weber, T.  2003.  Keepers and behavioral research: fostering the connection.   Animal Keeper's Forum, 30: 285-287.  

Margulis, S.W., Hoyos, C. and Anderson, M.  2003.  The effect of felid activity on zoo visitor interest.   Zoo Biology, 22: 587-599.  

Margulis, S.W., Whitham, J.C. and Ogorzalek, K.  2003.  Silverback male presence and group stability in gorillas (Gorilla gorilla).   Folia Primatologica, 74: 92-96.  

Ross, S.R.  2003.  A guide to caring for chimpanzees (book review).   Zoo Biology, 22: 609-612.  

Ross, S.R.  2003.  North American regional studbook for the chimpanzee (Pan troglodytes).   Lincoln Park Zoo, Chicago, Illinois.  

Schmidt, D.A.  2003.  The Vitamin D Workshop: Proceedings.   Lincoln Park Zoo, Chicago, Illinois.  

Travis, D.A. and Miller, M.  2003.  A Review of the transmissible spongiform encephalopathies and recommendations for surveillance of chronic wasting disease in zoos.   Journal of Zoo and Wildlife Medicine 34(2): 125-133.  

Travis, D.A., Barbiers, R.B. and Ziccardi, M.H.  2003.  An overview of the national zoological tuberculosis monitoring system for hoofstock.   Annual proceedings of the American Association of Zoo Veterinarians, Minneapolis, Minnesota.  

Travis, D.A., Blasier, M. and Barbiers, R.B.  2003.  Issues surrounding the use of the measles vaccine in captive western lowland gorillas at Lincoln Park Zoo.   Proceedings of the International Society for Veterinary Epidemiology and Economics (ISVEE) Symposium, Vina del Mar, Chile.  

Travis, D.A., McNamara, T., Glaser, A., Campbell, G. and Gubler, D.  2003.  West Nile virus (U.S.) national zoo surveillance system: 2001-2003 results.   Proceedings of the International Society for Veterinary Epidemiology and Economics (ISVEE) Symposium, Vina del Mar, Chile.  

Wilson, M.L., Kelling, A., Poline, L., Bloomsmith, M.A. and Maple, T.L.  2003.  Post-occupancy evaluation of Zoo Atlanta's Giant Panda Conservation Center: Staff and visitor reactions.   Zoo Biology, 22: 365-382.  

Wilson, M.L., Sartor, R.L., Snyder, R.J., Bloomsmith, M.A., McManamon, R., Li, G., Zhang, A., Zhang, Z. and Maple, T.L.  2003.  Facility design and management of giant pandas at Zoo Atlanta: Lessons learned from the first year.   Panda 2000: Conservation Priorities for the New Milennium.  

Goodall, J. and Lonsdorf, E.V.  2002.  Cultures in Chimpanzees.   Oxford University Press Encyclopedia of Evolution.  

Kehl, N. and Ross, M.R.  2002.  The breeding behaviour of a pair of cinereous vultures at Lincoln Park Zoo.   Aviculture Magazine, 108: 3-7.  

Koeninger Ryan, K., Lacy, R.C. and Margulis, S.W.  2002.  Impacts of kinship and inbreeding on components of fitness.   Reproduction and Integrated Conservation Science.  

Lavin, S.R.  2002.  Dietary variations among red foxes (Vulpes vulpes) in urban and rural agricultural setting in Illinois using stable isotope analysis, M.S. Thesis.   University of Illinois, Urbana-Champaign.  

Maestripieri, D., Ross, S.K. and Megna, N.L.  2002.  Mother-infant interactions in western lowland gorillas (Gorilla gorilla gorilla): Spatial relationships, communication, and opportunities for social learning.   Journal of Comparative Psychology, 116(3): 219-227.  

Manharth, A.L. and Travis, D.A.  2002.  A medical review of 10 years of US Fish and Wildlife Service confiscations brought to Lincoln Park Zoo.   Annual Proceedings of the American Association of Zoo Veterinarians, Milwaukee, Wisconsin.  

Margulis, S.W. and Walsh, A.  2002.  The effects of inbreeding on testicular sperm concentration in Peromyscus polionotus.   Reproduction, Fertility and Development, 14: 63-67.  

Nevarez, J.N., Gamble, K.C. and Tully, T.  2002.  Syngamus tracheii infection in red and yellow barbets.   Journal of Avian Medicine and Surgery, 16: 31-33.  

Platt, J., Brown-Palsgrove, M. and Ross, S.R.  2002.  Otter enrichment and the benefits of keeper involvement in behavioral research.   Animal Keepers’ Forum, 29(11).  

Ross, S.R.  2002.  The effect of a simple feeding enrichment strategy on the behavior of two small-clawed Asian otters (Aonyx cinerea).   Aquatic Mammals, 28 (2): 113-120.  

Ryan, S.J., Thompson, S.D., Roth, A. and Gold, K.  2002.  Effects of hand-rearing on the reproductive success of western lowland gorillas in North America.   Zoo Biology, 21: 389-402.  

Terio, K.A., Brown, J.L., Moreland, R. and Munson, L.  2002.  Comparison of different drying and storage methods on quantifiable concentrations of fecal steroids in the cheetah.   Zoo Biology, 21: 215-222.  

Vicari, A.S., Hueston, W.D. and Travis, D.A.  2002.  Variant Creutzfeldt-Jacob disease and bovine spongiform encephalopathy.   International Handbook of Food borne Pathogens, Marcel Dekker, New York.  

Weicherding, T, Chandrasekhar, T., Levengood, J. and Lavin, S.R.   2002.  Applying Spatial Information Technology to Ecological Risk Assessment in Illinois: Users Manual.   Illinois Natural History Survey, Illinois Department of Natural Resources, Urbana, Illinois.  

Wilson, M.L., Bloomsmith, M.A., Crane, M. and Maple, T.L.  2002.  Behaviour and serum cortisol concentrations in three African elephants (Loxodonta africana).   A Research Update on Elephants and Rhinos.  

Zwick, L.S., Walsh, T., Barbiers, R., Collins, M., Kinsel, M. and Murnane, R.  2002.  Paratuberculosis in a mandrill (Papio sphinx).   Journal of Veterinary Diagnostic Investigation, 14: 326-328.  

Baker, K.C., Bloomsmith, M.A., Ross, S.K., Lambeth, S.P. and Noble, P.L.  2001.  The behavioral effects of control vs. passive exposure to joystick-controlled computer tasks intended as enrichment for chimpanzees.   American Journal of Primatology, 54(1): 64.  

Barbiers, R.  2001.  Hospital, zoo.   Encyclopedia of World Zoos. Fitzroy Dearborn Publishers. Chicago, Illinois.  

Bloomsmith, M., Kuhar, C., Baker, K., Lambeth, S., Brent, L., Ross, S. and Fritz, J.  2001.  Early interactions between primiparous chimpanzees and their infants.   American Journal of Primatology, 54(1): 31.  

Earnhardt, J.M., Thompson, S.D. and Marhevsky, E.  2001.  Interactions of Target Population Size, Population Parameters, and Program Management of Viability of Captive Populations.   Zoo Biology, 20: 169-183.  

Gamble, K.C.  2001.  Leptospirosis: A review.   American Association of Zoo Veterinarians Infectious Disease Committee Notebook.  

Garner, M.M., Alvarado, T.P., Gamble, K.C., Levens, G.P., Raymond, J.T. and Nordhausen, R.  2001.  Pathology of suspected fenbendazole intoxication in three Fea’s vipers (Azemiops feae).   6th International Symposium on Pathology of Reptiles and Amphibians.  

Lavin, S.R., Weicherding, T., Levengood, J., and Aycrigg, J.  2001.  Applying Geographic Information Systems (GIS) technology to the ecological risk assessment process in Illinois.   Illinois Natural History Survey Reports Spring, 2001.  

Margulis, S.  2001.  Life Underground, the Biology of Subterranean Rodents (book review).   Animal Behaviour, 61: 513-514.  

Margulis, S.W. and Walsh, A.  2001.  Establishing a keeper-based behavioral monitoring program: A top-down/bottom-up approach.   Proceedings of the Association of Zoos and Aquariums Annual Conference, St. Louis, Missouri.  

Margulis, S.W., Whitham, J. and Ogorzalek, K.  2001.  Social interactions among female gorillas before and after the introduction of a new silverback.   Proceedings of “The Apes: Challenges for the 21st Century.” Chicago, Illinois, 79-82.  

Moreland, R.B., Richardson, M.E., Lamberski, N. and Long, J.A.  2001.  Characterizing the reproductive physiology of the male southern black howler monkey, Alouatta caraya.   Journal of Andrology, 22(3): 395-403.  

Ross, S.K. and Lukas, K.E.  2001.  Exhibit use by great apes as part of a post-occupancy evaluation.   American Journal of Primatology, 54(1): 31.  

Ross, S.K., Barger, N., Ganas, J., Lukas, K., Nichols, C., Megna, N., Stoinski, T. and Maestripieri, D.  2001.  Maternal scaffolding of offspring behavior in western lowland gorillas.   American Journal of Primatology, 54(1): 31.  

Ross, S.R., and Lukas, K.E.  2001.  The care and management of captive chimpanzees workshop: Managing social behavior.   Journal of Applied Animal Welfare Science, 4(4).  

Ryan, S.J. and Thompson, S.D.  2001.  Disease risk and inter-institutional transfer of specimens in cooperative breeding programs: Herpes and elephant Species Survival Plans.   Zoo Biology, 20: 89-101.  

Barbiers, R.  2000.  Avian medicine.   Proceedings of 3rd National Congress of Veterinary and Zoological Medicine, Honduras.  

Barbiers, R.  2000.  Blood collection and drug administration for various species.   Proceedings of 3rd National Congress of Veterinary and Zoological Medicine, Honduras.  

Barbiers, R.  2000.  Exotic canid and felid medicine.   Proceedings of XVII Panamerican Congress of Veterinary Science, Panama.  

Barbiers, R.  2000.  Management of exotic animals in captivity.   Proceedings of XVII Panamerican Congress of Veterinary Science, Panama.  

Bloomsmith, M.A., Baker, K.C., Lambeth, S.P., Ross, S.K. and Shapiro, S.P.  2000.  Is giving chimpanzees control over environmental enrichment a good idea?   Proceedings of “The Apes: Challenges for the 21st Century” Conference, Chicago, Illinois, 88-89.  

Bloomsmith, M.A., Ross, S.K. and Baker, K.C.  2000.  Control over computer-assisted enrichment for socially housed chimpanzees.   American Journal of Primatology, 51(1): 45.  

Faust, L.J. and Thompson, S.D.  2000.  Birth sex ratio in captive mammals: Patterns, bias, and the implications for management and conservation.   Zoo Biology, 19: 11-25.  

Gamble, K.C. and Hartdegen, R.  2000.  What’s your diagnosis? (Internal oviposition in a black tree monitor).   Journal of Herpetology Medicine and Surgery, 10: 31-32.  

Gamble, K.C., Fitzgerald, L. and Buch, J.  2000.  Vasectomy reversal in a yellow-backed duiker (Cephalophus sylvicultor).   Animal Keepers’ Forum, 27: 506-508.  

Long, J.A., Byrd, M., Moreland, R.B., Chism, J. and Brown, J.L.  2000.  Successful Husbandry in the Black-Footed Cat (Felis nigripes).   Felid Taxon Advisory Group Action Plan, 73-74.  

Lynch, C.  2000.  San Clemente Loggerhead Shrike studbook.   Zoological Society of San Diego, San Diego, California.  

Margulis, S.W., Havlik, M. and Ward, D.  2000.  Behavior Matters, Connections curriculum unit.   Brookfield Zoo and the Center for Learning Technologies in Urban Schools, Brookfield, Illinois.  

Moreland, R.B. and Howard, J.G.  2000.  Characterization of reproductive cycles in male and female fishing cats and assessment of ovarian stimulation using fecal hormone analysis.   Felid Taxon Advisory Group Action Plan, 46-47.  

Ross, S.K., Bloomsmith, M.A., Baker, K.C. and Hopkins, W.D.  2000.  Initiating a computer-assisted enrichment system for captive chimpanzees.   American Journal of Primatology, 51(1): 86-87.  

Schmidt, D.A., Dempsey, J.L., Kerley, M.S. and Porton, I.J.  2000.  Fiber in ape diets: a review.   Proceedings of “The Apes: Challenges for the 21st Century.” Chicago, Illinois, 177-179.  

Schmidt, K.A., Earnhardt, J.M., Brown, J.S. and Holt, R.D.  2000.  Habitat selection under temporal heterogeneity: exorcising the ghost of competition past.   Ecology, 81: 2622-2630.  

Agnew, D., Barbiers, R., Poppenga, R. and Watson, G.  1999.  Zinc toxicosis in a captive striped hyena (Hyaena hyaena).   Journal of Zoo and Wildlife Medicine, 30: 431-434.  

Barbiers, R.  1999.  Emergency preparedness for large primates.   Resources for Crisis Management. American Association of Zoo Keepers, Topeka, Kansas, 350.  

Barbiers, R.  1999.  Emergency preparedness for small hoofstock: sheep, goats, small antelope, cervids, and South American camelids.   Resources for Crisis Management. American Association of Zoo Keepers. Topeka, Kansas, 349.  

Barbiers, R.  1999.  Emergency preparedness for small mammals.   Resources for Crisis Management. American Association of Zoo Keepers. Topeka, Kansas, 352.  

Barbiers, R.  1999.  Emergency preparedness for small primates.   Resources for Crisis Management. American Association of Zoo Keepers. Topeka, Kansas, 351.  

Barbiers, R. and Baker, W.  1999.  Emergency preparedness for large carnivores: bears and cats.   Resources for Crisis Management. American Association of Zoo Keepers, Topeka, Kansas, 344-345.  

Barbiers, R. and Baker, W.  1999.  Emergency preparedness for large hoofstock: elephants, rhino, wild cattle.   Resources for Crisis Management. American Association of Zoo Keepers, Topeka, Kansas, 347-348.  

Barbiers, R. and Baker, W.  1999.  Emergency preparedness for small carnivores.   Resources for Crisis Management. American Association of Zoo Keepers, Topeka, Kansas, 346.  

Bloomsmith, M.A., Baker, K.C., Ross, S.K. and Lambeth, S.P.  1999.  Comparing animal training to non-training human interaction as environmental enrichment for chimpanzees.   American Journal of Primatology, 49(1): 35.  

Earnhardt, J.M.  1999.  Reintroduction programmes: genetic tradeoffs for populations.   Animal Conservation, 2: 279-286.  

Gamble, K.C.  1999.  What’s your diagnosis? (Cervical lymphosarcoma in a Fischer’s lovebird).   Journal of Avian Medicine and Surgery, 13: 214-217.  

Lynch, C.  1999.  San Clemente Loggerhead Shrike studbook.   Zoological Society of San Diego, San Diego, California.  

Murray, S., Lung, N.P., Alvarado, T.P., Gamble, K.C., Miller, M.A., Paglia, D.E. and Montali, R.J.  1999.  Idiopathic hemorrhagic vasculopathy syndrome in seven black rhinoceros.   Journal of the American Veterinary Medical Association, 6(2): 230-233.  

Thompson, S.D.  1999.  Data collection, record keeping, and population biology issues for species maintained as groups.   Proceedings of the First Workshop on Colony Management.  

Thompson, S.D.  1999.  The Lincoln Park Zoo Scott Neotropic Fund.   American Zoo and Aquarium Association Field Conservation Manual. American Zoo and Aquarium Association, Silver Spring, Maryland.  

Thompson, S.D.  1999.  The Lincoln Park Zoo Scott Neotropic Fund: Support of conservation throughout Latin America.   American Zoo and Aquarium Association, Proceedings of National Meeting, Silver Spring, Maryland.  

Thompson, S.D. and Bell, K.J.  1999.  Collection planning at Lincoln Park Zoo: Rationale for today and template for tomorrow.   American Zoo and Aquarium Association, Proceedings of National Meeting, Silver Spring, Maryland.  

Weary, D.M., Pajor, E.A., Bonenfant, M., Ross, S.K., Fraser, D. and Kramer, D.L.  1999.  Alternative housing for sows and litters: Effects of a communal piglet area on pre- and post-weaning behaviour and performance.   Applied Animal Behavior Science, 65: 123-135.  

Baker, K.C. and Ross, S.K.  1998.  Outdoor access: The behavioral benefits to chimpanzees.   American Journal of Primatology, 45: 166.  

Bloomsmith, M.A., Baker, K.C., Ross, S.K. and Lambeth, S.P.  1998.  Enlarging chimpanzee social groups: The behavioral course of introductions.   American Journal of Primatology, 45: 171.  

Cutraro, J. L., Ercelawn, A.Y.. Lebrun, E.G., Lonsdorf, E.W., Norton, H.A. and McKone, M.J.  1998.  Importance of pollen and nectar in flower choice by hummingbird flower mites, Proctolaelaps kirmsei (Mesostigmata: Ascidae).   International Journal of Acarology, 24: 345-351.  

Earnhardt, J.M., Thompsom, S.D. and Turner-Erfort, G.  1998.  Standards for data entry and maintenance of North American zoo and aquarium animal records databases.   Lincoln Park Zoo, Chicago, Illinois.  

Faust, L.J. and Brown, J.M.  1998.  Sexual selection via female choice in the gall-making fly Eurosta solidaginis Fitch (Diptera: Tephritidae) in Biology of Gall-inducing Arthropods.   North Central Research Station, Forest Service—U.S. Department of Agriculture, 82-90.  

Gamble, K.C., Fried, J.J. and Rubin, G.J.  1998.  Aberrant dirofilariasis in the pale-headed saki monkey (Pithecia pithecia).   Journal of Zoo and Wildlife Medicine, 29: 50-54.  

Lynch, C.  1998.  San Clemente Loggerhead Shrike studbook.   Zoological Society of San Diego, San Diego, California.  

Margulis, S.W.  1998.  Differential effects of inbreeding at juvenile and adult life history stages in Peromyscus polionotus.   Journal of Mammology, 79: 326-336.  

Margulis, S.W.  1998.  Primate Conservation: The Role of Zoological Parks (book review).   Special Topics in Primatology, Vol. 1. International Journal of Primatology, 19: 907-909.  

Margulis, S.W.  1998.  Relationships among parental inbreeding, parental behaviour, and offspring viability in oldfield mice.   Animal Behaviour, 55: 427-438.  

Moreland, R.B., Richardson, M.E., Lamberski, N. and Long, J.A.  1998.  Effects of seasonality and age on male reproduction in the black howler monkey, Alouatta caraya.   American Society of Andrology, Journal of Andrology Supplement, 47.  

Moreland, R.B., Richardson, M.E., Lamberski, N. and Long, J.A.  1998.  The male reproductive biology of the southern black howler monkey, Alouatta caraya.   Riverbanks Zoo Conservation Research Consortium, 7: 11-16.  

Thompson, S.D. and Bell, K.J.  1998.  Institutional collection planning.   Zoo Biology, 17: 95-57.  

Gamble, K.C., Alvarado, T.P. and Bennett, C.L.  1997.  Itraconazole plasma and tissue concentrations in the spiny lizard (Sceloporus sp.) following once-daily dosing.   Journal of Zoo and Wildlife Medicine, 28: 89-93.  

Gamble, K.C., Boothe, D.M., Jensen, J.M., Heatley, J.J. and Helmick, K.E.  1997.  Pharmacokinetics of a single intravenous enrofloxacin dose in scimitar-horned oryx (Oryx dammah).   Journal of Zoo and Wildlife Medicine, 28: 36-42.  

Margulis, S.W.  1997.  Inbreeding-based bias in parental responsiveness to litters of oldfield mice.   Behavior, Ecology and Sociobiology, 41: 177-184.  

Margulis. S.W. and Altmann, J.  1997.  Behavioural risk factors in the reproduction of inbred and outbred oldfield mice.   Animal Behaviour, 54: 397-408.  

Thompson, S.D., Earnhardt, J.M. and Turner-Erfort, G.  1997.  Guidelines for Data Entry and Maintenance of North American Regional Studbooks.   Lincoln Park Zoo, Chicago, Illinois.  

Weary, D.M., Pajor, E.A., Bonenfant, M., Ross, S.K., Fraser, D. and Kramer, D.L.  1997.  The effects of mixing litters during lactation and at weaning on piglet behaviour and performance.   Proceedings of the 31st International Congress of the ISAE, Prague, Czech Republic.  

Weary, D.M., Ross, S. and Fraser, D.  1997.  Vocalizations by isolated piglets: A reliable indicator of piglet need directed towards the sow.   Applied Animal Behaviour Science, 53: 249-257.  

Wisely, S.M., Santymire, R.M., Livieri, T.M., Mueting, S.A., Wildt, D.E., and Howard, J.G.  1997.  Genotypic and phenotypic consequences of reintroduction history: case study of the black-footed ferret.   Conservation Genetics 9(2):389-399.  

Thompson, S.D.  1996.  The Lincoln Park Zoo Scott Neotropic Fund: Support of conservation throughout Latin America.   Proceedings of the American Zoo and Aquarium Association National Meeting, Wheeling, West Virginia.  

Barbiers, R.  1995.  Book review of Kirk and Bistner's Handbook of Veterinary Procedures and Emergency Treatment, 6th ed.   Journal of Zoo and Wildlife Medicine, 26: 607.  

Earnhardt, J., Thompson, S.D. and Willis, K.  1995.  The ISIS database: An evaluation of records essential for captive management.   Zoo Biology, 14: 493-508.  

Earnhardt, J.M., Thompson, S.D. and Willis, K.  1995.  Reply to Flesness et al.   Zoo Biology, 14: 519-522.  

Gamble, K.C., Jensen, J.M., Boothe, D.M., Heatley, J.J. and Helmick, K.E.  1995.  Pharmacokinetics of amikacin in scimitar-horned oryx (Oryx dammah) from a single intravenous dose.   Journal of Zoo and Wildlife Medicine, 26: 359-366.  

Margulis, S.W., Abbott, D.H. and Saltzman, W.  1995.  Behavioral and hormonal changes in female naked mole-rats following removal of the breeding female from a colony.   Hormones and Behavior, 29: 227-247.  

Margulis, S.W., Abbott, D.H. and Saltzman, W.  1995.  Behavioral and hormonal changes in female naked mole-rats following removal of the breeding female from a colony.   Hormones and Behavior, 29: 227-247.  

Margulis, S.W., Chin, J., Warneke, M., Dubach, J. and Lindgren, V.  1995.  The Y translocation of Callimico goeldii.   International Journal of Primatology, 16: 145-155.  

Thompson, S.D.  1995.  Captive breeding for wildlife conservation: A review of Creative Conservation: Interactive Management of Wild and Captive Animals.   Zoo Biology, 14: 285-297.  

Wemmer, C. and Thompson, S.D.  1995.  A short history of scientific research in zoological gardens.   The Ark Evolving: Zoos and Aquariums in Transition. Smithsonian Institution, Conservation and Research Center, Front Royal, Virginia.  

Gamble, K.C., Falzone, C.F. and Craig, T.  1994.  Proventricular ascaridiasis in African white-backed (Gyps africanus) and Lappet-faced (Torgos tracheliotus) vultures.   Annual Proceedings of the American Association of Zoo Veterinarians, Pittsburgh, Pennsylvania.  

Kotz, R.P., Thompson, S.D. and Meehan, T.  1994.  The effect of annual scalings on the periodontal health of timber wolves (Canus lupus) at the Lincoln Park Zoological Gardens.   Proceedings of the World Veterinary Dental Congress.  

Thompson, S.D., Power, M., Rutledge, C. and Kleiman, D.  1994.  Thermoregulation and energy use in the golden lion tamarin (Leontopithecus rosalia).   Folia Primatologica, 63: 131-143.  

Gamble, K.C. and Honnas, C.M.  1993.  Surgical correction of proventricular impaction in ostriches.   Compendium on Continuing Education for the Practicing Veterinarian, 15(2): 235-245.  

Margulis, S.W.  1993.  Exercises for beginning students of behavior (book review).   American Journal of Primatology, 30: 263-264.  

Margulis, S.W.  1993.  Mate choice in rocky mountain mule deer (Odocoileus hemionus hemionus) bucks: is there a preference for does without fawns?   Ethology, Ecology and Evolution, 5: 115-119.  

Margulis, S.W., Altmann, J. and Ober, C.  1993.  Sex-biased lactational duration in a human population and its reproductive costs.   Behavior, Ecology and Sociobiology, 32: 41-45.  

Thompson, S.D.  1993.  Zoo research and conservation: Beyond sperm and eggs toward the science of animal management.   Zoo Biology, 12: 155-159.  

Thompson, S.D.  1992.  Comparative energetics of mammalian reproduction.   Comparative Physiology of Mammals, 215-259.  

Thompson, S.D.  1991.  Biotelemetric studies of mammalian thermoregulation.   Research Symposium of the American Association of Zoological Parks and Aquariums, Wheeling, West Virginia.  

Thompson, S.D.  1991.  Thermoregulation and the cost of reproduction.   Proceedings of the 9th Dr. Scholl Conference on the Nutrition of Captive Wild Animals. Lincoln Park Zoological Society.  

Thompson, S.D.  1990.  Thermoregulation, activity, and energy requirements of golden lion tamarins: Do big monkeys use more energy?   Proceedings of the American Association of Zoological Parks and Aquariums. Wheeling, West Virginia.  

Margulis, S.  1989.  Introduction of a male colobus to an existing all-male group.   Proceedings, 15th National Conference, American Association of Zoo Keepers, 31-37.  

Gittleman, J. and Thompson, S.D.  1988.  Energy allocation in mammalian reproduction.   American Zoologist, 28: 863-875.  

Gittleman, J. and Thompson, S.D.  1988.  The energetics of animal behavior.   American Zoologist, 28: 863-875.  

Lillegraven, J.A., Thompson, S.D., McNab, B.K. and Patton, J.  1988.  The origins of eutherian mammals.   Biological Journal of the Linnean Society, 32: 281-336.  

Thompson, S.D.  1988.  The energetics of the water opossum, Chironectes minimus: The exception that proves a rule?   Physiological Zoology, 61: 450 460.  

Nicoll, M.E. and Thompson, S.D.  1987.  The energetics of reproduction in therian mammals: didelphids and tenrecs.   Symposim of the Zoological Society of London, 57: 7-27.  

Thompson, S.D.  1987.  Body size, duration of parental care, and the intrinsic rate of natural increase in eutherian and metatherian mammals.   Oecologia (Berlin), 71: 201‑209.  

Thompson, S.D. and Zarry, M.  1987.  Resource availability and microhabitat utilization by Mojave Desert Merriam's kangaroo rats, Dipodomys merriami.   Journal of Mammalogy, 68: 256‑265.  

Thompson, S.D., Ono, K., Oftedal, O. and Boness, D.  1987.  Thermoregulation of neonatal California seal lions (Zalophus californianus).   Physiological Zoology, 60: 730‑736.  

Weinberg, S.  1987.  Possible cleaning symbiosis between Pica pica and Odocoileus hemionus.   Southwestern Naturalist, 32: 138-139.  

Thompson, S.D. and Nicoll, M.E.  1986.  Basal metabolic rate and the energetics of reproduction in therian mammals.   Nature, 321: 690-693.  

Barbiers, R.  1985.  Orangutans' color preference for food items.   Zoo Biology, 4: 287-290.  

Thompson, S.D.  1985.  Bipedal hopping and seed dispersion selection by heteromyid rodents: The role of locomotion energetics.   Ecology, 66: 220-229.  

Thompson, S.D.  1985.  Subspecific differences in metabolism, thermoregulation, and torpor in the western harvest mouse, Reithrodontomys megalotis.   Physiological Zoology, 58: 430-444.  

Hennemann III, W.W., Thompson, S.D. and Konecny, M.J.  1983.  Metabolism of crab eating foxes, Cerdocyon thous: Ecological influences on the energetics of canids.   Physiological Zoology, 56: 319-324.  

Barbiers, R., Vosburgh, K., Ku, P. and Ullrey, D.  1982.  Digestive efficiencies and maintenance energy requirements of captive wild felidae.   Journal of Zoo Animal Medicine, 13: 32-37.  

Morton, S.E., Recher, H.R., Thompson, S.D. and Braithwaite, R.  1982.  The reproductive strategies of marsupial and eutherian mammals.   American Naturalist, 120: 128-134.  

Thompson, S.D.  1982.  Microhabitat utilization and foraging behavior of bipedal and quadrupedal heteromyid rodents.   Ecology, 63: 1303-1312.  

Thompson, S.D.  1982.  Spatial utilization and foraging behavior of the desert woodrat, Neotoma lepida.   Journal of Mammalogy, 63: 570-581.  

Thompson, S.D.  1982.  Structure and composition in desert rodent species assemblages: Effects of a simple habitat manipulation.   Ecology, 63: 1313-1321.  

Vosburgh, K., Barbiers, R., Sikarskie, J. and Ullrey, D.  1982.  A soft versus hard diet and oral health in captive timber wolves (Canis lupus).   Journal of Zoo Animal Medicine, 13: 104-107.  

Weinberg, S. and Candland, D.  1981.  "Stone-grooming" in Macaca fuscata.   American Journal of Primatology, 1: 465-468.  

Thompson, S.D., MacMillen, R.E., Burke, E. and Taylor, C.R.  1980.  The energetic cost of bipedal hopping in small mammals.   Nature, 287: 223-224.  

Thompson, S.D.  1977.  Survey of the terrestrial vertebrates of the Upper Newport Bay Ecological Reserve, Orange County, CA.   California Department of Fish and Game Publication.