Captive chimpanzees are one of the most popular species kept in zoos because of their charismatic appeal and similarity to humans. They are the closest living relatives of humans because of the shared ...

Japanese zookeepers believe they have solved the mystery of how a gibbon became pregnant despite living alone in her cage. Momo, a 12-year-old white-handed gibbon, shocked her keepers at the ...

Human-sized cages are being installed in a zoo's tiger and bear enclosures to catch people who fall into them. Delhi Zoo is introducing the cages after a visitor fell into its white tigers' moat in ...