NOW we are in winter, although it feels like it’s been around for some weeks, the bird visitors from northern Europe are here ...

"Our blue jay has decided she’s actually a cat. Lately, Pluto’s favorite thing to mimic are the feral cats she hears outside ...

When Bald Eagles pair up, they take the plunge—literally—locking talons high in the air and tumbling toward the ground, ...

She approached chimps as she did people: on their own terms. By Sam Anderson ...

A small brain region reacts strongly to chimp calls. This shows that our voice system links to older primate signals.

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Well-known twitchers share their experiences. Plus, use our tool to see the most common and most threatened species near you ...