Add Yahoo as a preferred source to see more of our stories on Google. Male Greater-sage grouse (sage hen) (Centrocercus urophasianus) calls for the ladies from his snow-covered sagebrush lek with his ...

Native only to Guatemala and parts of the Mexican state of Chiapas, the horned guan is a strange and unusual bird.

Across backyards, campuses, rainforests and even aquariums, birds are changing in ways that are startling veteran researchers. From hybrid jays that should not exist to songbirds that reshape their ...

A peculiar fossil has helped scientists discover an unusual bird that lived among the dinosaurs 120 million years ago, and the find is changing the way researchers think about avian evolution. The ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. A study of a bizarre prehistoric bird's fossilized remains has ...

An illustration of the fossil skeleton of the new bird species Imparavis attenboroughi and a reconstruction of what the animal would have looked like in flight ...

When we think about birds, we often picture their colorful plumage: the iridescence of a peacock's tail or the electric blue flash of a kingfisher. Or we might consider how they use voices, from the ...

Finding a mate in the animal kingdom is not easy. It is often a competitive and dramatic process that requires substantial effort. In many species, males go to extraordinary lengths just for a chance ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. A peculiar fossil ...