The new habitat is home for the zoo’s two jaguars, Caipora and Saban, and the mountain lion Mystic. Here's a sneak peek of 'Big Cats of Arizona' before its grand opening.

Denver Zoo celebrated his birthday in style, as you'd expect for a bird whose love life has made headlines multiple times ...

As a new animal habitat sprung up at Phoenix Zoo, two California condors watched closely. Then they learned who was moving in.