Officials in Arizona this week said nearly a half-dozen animals including a cheetah and a mountain lion at a Phoenix-area zoo died and others are sick after being exposed to the bird flu.

Across the United States, bird flu is no longer a concern only for dairy and poultry farms — it’s now knocking on the gates ...

Phoenix Zoo officials say a list that ranks the zoo as one of the top 10 worst for elephants in North America has “no merit.” The list, which comes from animal rights group In Defense of ...