Julio, a well-known bird and much-loved presence, had been a part of The Sacramento Zoo family for 33 years, officials said.

The California tiger salamander relies on seasonal ponds to breed. But for decades, the species has been under pressure from ...

A new website from conservation scientists reveals which Bay Area bird species are thriving, and which are declining, ...

"It's glamorous, it's big, it's beautiful." Awe-struck birdwatchers witness unprecedented spectacle off US coast: 'The ...

There was but though the water was wide open and a darker blue than the sky overhead, there was not a bird in sight. Well, on ...