Big events like A La Carte at the Zoo and Wild Lights bring lots of activity to the zoo, so staff take animal needs into consideration when planning.

A new study comparing wild and zoo-housed Sumatran orangutans reveals that life in a zoo significantly alters how orangutans ...

A new study reveals that Sumatran orangutans in zoos explore more frequently and in more complex ways than wild orangutans, ...

More curious: Orangutans in zoos explore more frequently and in more varied ways than those in the wild, including greater ...

Tilly, a river otter, came to the Oregon Zoo in 2009 as an injured and orphaned pup. She birthed four pups while at the zoo.

Francis and J.J. While checking out the exhibit, the best way to tell the two apart is to look at who is taller and a little rounder.

Gladys, the Cincinnati Zoo's 12-year-old western lowland gorilla, is pregnant, the zoo announced Wednesday. The baby is expected to be here in September or October. It will be the zoo's 51st gorilla ...

Imagine stepping into a zoo where animals don’t just survive—they thrive. Gone are the days of barren cages and concrete ...

while zoo-housed orangutans engaged with a wider variety of enrichment items such as plastic toys, puzzles, and stackable objects designed to encourage manipulation and cognitive engagement.