Join & Give Infographic that says: "1 person can make a difference for the zoo's animals, worldwide conservation efforts, and state-of-the-art learning programs. Your gift supports: food for every zoo animal, including 2,000+ pounds of hay, fish, romaine lettuce, insects, and peanut butter; 250 species studied in the wild, from Chicago to the Republic of Congo; 170+ animal species and 330 plant species in the zoo's care; 492,000 guests attending chats and other facilitated learning programs.