A zookeeper described the 43-year-old orangutan who has lived at the zoo his whole life as an intelligent, thoughtful observer.

A tiger who has been put down at a zoo due to an "untreatable spinal condition ... announced the death of Kubu, a 13-year-old Sumatran Tiger, on Monday. It said the animal had been under ...

The talk show host delivered his signature line while revealing the paternity results for a 4-month-old Sumatran orangutan named Siska When the Denver Zoo was ready to announce the paternity of a ...

But the judge did order an investigation as to Sandra's captivity conditions and if she is a victim of ill-treatment under the 1954 animal protection bill. Sandra, a 20-year Sumatran orangutan ...

The birth of three Sumatran tigers at the ZSL London Zoo is a global success for conservation efforts working to increase the critically endangered species' population Amanda Taheri is an ...

For the Toronto Zoo’s seven Sumatran orangutans, the highlight of this year is no doubt their new outdoor enclosure, which opened in the summer. Toronto.com takes a closer look at the new outdoor ...