Researchers and volunteers in Texas documented birds of different species preening one another. Experts say the behavior may be more common than documented.

Imagine zooming out on a giant family tree that includes every bird you have ever seen. Ostriches sprint across open plains, ...

The loss of these birds will lead to the unraveling or to the complete collapse of entire ecosystems. An adult male yellow-bellied sunbird-asity (Neodrepanis hypoxantha) in Ranomafana National Park, ...

Many semipalmated plovers and dunlins ran along the sand while sanderlings darted in and out of the water. Herons, egrets and pelicans displayed dancing, flying, and diving behavior as a belted ...