Conservation efforts at the Phoenix Zoo and Southwest Wildlife aim to protect endangered species like black-footed ferrets and Mexican gray wolves.

Noelle, a 12-year-old fennec fox at the Phoenix Zoo, died last week, officials said. Here's what happened to the cute animal.

Toto, a tiny squirrel monkey, has had to learn to be a regular monkey, after being rescued as a victim of wildlife trafficking.

Animals at the Wildlife World Zoo in Arizona tested positive for bird flu, resulting in the deaths of a cheetah, a mountain lion, a swamphen, an Andean goose and a kookaburra.

In 2017, the Peregrine Fund, the Oregon Zoo and the Institute for Wildlife Studies established the North American Non-lead Partnership, which designs and supports voluntary measures to increase ...