138 x 40 cm. (54.3 x 15.7 in.) ...

Q: The amount of effort that goes into a Christmas Bird Count varies quite a bit across years and count circles. How do you deal with this issue when you calculate abundance trends? How do you know ...

The Audubon Bird Guide is a free and complete field guide to over 800 species of North American birds, right in your pocket. Built for all experience levels, it will help you identify the birds around ...

The strain had previously been found only in birds and people. Most bird flu infections in dairy cattle in the US have been the B3.13 variant, or what’s become known as the “cattle clade.” ...

Have you seen something interesting? Click Submit to share your rare bird sightings via our simple form.

Somewhere in this image, a parrot is hiding among the dense green leaves, completely camouflaged. Your mission is simple—find the parrot within 5 seconds. Only the sharpest minds and most ...