Analysis of living vertebrates shows that changes in brain evolution helped drive major shifts in reproduction across dinosaurs and birds. A bird egg can look surprisingly oversized for the body that produced it. That puzzle becomes even stranger when viewed through deep time: the largest known bird eggs exceed the largest eggs found from nonavian [...]

The mission of the Flock app is quietly subversive: to encourage users to ditch their screens and explore the wonderful world of birding

On a brilliantly bright afternoon in his gallery and studio in Bolinas, a small town on the northern California coast, Keith Hansen was putting the finishing touches on a watercolor of an almost improbably flamboyant painted bunting.

With an ultra-fine sable brush, he made a few intricate additions to the cobalt blue plumage on the bunting’s head, and, satisfied with his work, slipped the watercolor into a stout binder that every few days welcomes a new addition.

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© Photograph: Nick Czap

© Photograph: Nick Czap

© Photograph: Nick Czap

A die-off of seabirds has some experts thinking an El Niño weather pattern is to blame, a look at data centers and pollution, and more climate news.

© American Bird Conservancy