Four orangutans had to be tranquilized and moved back into their enclosure after a malfunctioning door allowed them to escape ...

An orangutan was able to briefly escape its primary enclosure after a "malfunction" at the Denver Zoo Conservation Alliance ...

The paternity of a baby orangutan born at the Denver Zoo was a mystery to staff – so they went to the paternity test expert, Maury Povich. Siska the orangutan is four months old, but it was ...

Denver Zoo’s new Down Under habitat is set to open Friday, May 24, with a dozen-plus Australian and New Zealand animals taking over the former Bird World exhibit. Billed as the zoo’s first ...

DENVER (KDVR) — One of the world’s rarest equids was born at the Denver Zoo Conservation Alliance this week, marking a critical step for the future of the Critically Endangered species.

In 2012, Mimi, the Denver Zoo's beloved elderly elephant, passed away at the age of 53. After that loss, the zoo decided to take another approach to elephants — a very hands-on approach ...

We asked Frederick and Matthew Lenyo, the zoo’s curator of primates in Australasia, to help us uncover five surprises that await guests in the Denver Zoo’s Down Under habitat. 1. There are no koalas.

Friends that are family. There are so many types of relationships at the Denver Zoo, and so much cuteness to celebrate on Valentine's Day. The herd of Cape buffalo, for instance, celebrated ...

Four orangutans had to be tranquilized and moved back into their enclosure after a malfunctioning door allowed them to escape into a service hallway Wednesday at the Denver Zoo Conservation Alliance.