At the zoo they also receive a special fruit juice at night. Both cows and bulls have horns. This proud symbol of America is no longer on the Endangered Species list. However, their status remains threatened. Indiscriminate use of the pesticide DDT washed the toxin into rivers and streams where it concentrated in fish.
Fish is the principle diet of bald eagles.
Ingesting the poisoned fish caused the Eagles to lay eggs with very thin shells which broke easily during incubation. They add more material to it each year making it larger and stronger. A variety of South American Bird Species are on exhibit. Many Parrot species are disappearing in the wild due to deforestation and illegal capture for the pet trade. Weight may reach 400-500 lb.