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OPEN 365 DAYS A YEAR & FREE

Location, Hours & Directions

Guam Rail Fact Sheet

  • Latin Name

    Gallirallus owstoni
  • Class

    Birds
  • Order

    Gruiformes
  • Range

    The endangered Guam rail once flourished on Guam but is extinct there due to the introduction of the brown tree snake. A small number of birds from an experimental breeding program live on Rota, an island just south of Guam.

  • Status

    Extinct in the wild. Once present in the hundreds of thousands, the Guam rail was wiped out on its native island by the introduction of the brown tree snake.

  • Habitat

    South Pacific island grasslands

  • Niche

    The Guam rail hunts snails, insects and lizards. The species is territorial and will aggressively defend its home range against other birds.

  • Life History

    Guam rails build their nests on the ground, shaping plant stems and dried grasses into a cup-shaped structure. Chicks are cared for by both parents and leave the nest within a month of hatching.

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2001 North Clark Street • Chicago, IL 60614 • 312-742-2000

2001 North Clark Street • Chicago, IL 60614 Get Map/Directions Call 312-742-2000

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