26Negro Zoo
The 1889 World's Fair in Paris, famous for the construction and unveiling of the Eiffel Tower, had a "Negro Zoo" with 400 black people in cages as one of the attractions.
27. Many white tigers in zoos are white because of forced repetitive inbreeding and they are almost always born with genetic defects.
28. There is a disorder called "Zoochosis" that most animals get from being confined in Zoos, such as repeated pacing, rocking, vomiting and even self mutilation. These behaviors are not seen in the wild and are displayed only because of their captivity.
29. An orangutan named Sibu at a zoo in Apeldoorn, Netherlands rejected all attempts made for him to mate with female orangutans. He only exhibited sexual interest in his human female caretakers with a particular penchant for the blonde ones with tattoos.
30. A British zoo (Paignton Zoo) banned monkeys from eating bananas for health reasons.