These include animals in circuses, game parks, rodeos and zoos.
Except for rodeo animals, these are often unusual animals from other countries.
For instance, they include apes and monkeys; bears, including polar bears; common,
native and exotic birds; dingoes and other wild dogs; lions, tigers and other
big cats; giraffe, deer, antelopes, hippopotamus, rhinoceros and other grazing
animals; common and uncommon reptiles and many others. These animals have special
needs in their natural state and when kept for our entertainment. They are studied
to ensure that those special needs can be met and so that they can be kept in
a good state of welfare. In zoos, they are also studied to help save endangered
species.