Millions of years ago, long-legged, big-beaked, meat-eating “terror birds” stalked the Americas. The imposing creatures ruled the roost as top predators of their ...

Though house sparrows (Passer domesticus) look a bit like native North American species such as chipping sparrows (Spizella passerina), they aren't closely related. These invasive and aggressive birds ...

Freed from the threat of invasive predators, Galapagos birds are performing astonishing feats of return and innovation – 200 ...

When a bird drapes its nest with snake skin, it isn't just making an interesting decor choice. Researchers find that for some birds, it keeps predators at bay. When a bird drapes its nest with snake ...

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