The repeated evolution of huge birds is part of the dinosaurian legacy. Beaked birds were the only dinosaurs to have survived ...

When it comes to building nests, birds use a wide variety of tactics and materials. Some birds, like the puffin, burrow into ...

THIS handsome and valuable work, published in two volumes, describes the appearance and habits of ocean birds of the southern hemisphere; birds which spend their lives normally on the high seas ...

In the vast plains of ancient South America, millions of years ago, a menacing shadow loomed over the grasslands. It wasn’t a dinosaur or a mammalian predator, but a colossal bird that dominated the ...

Lab investigations determined that the avian flu virus in South America has already evolved into distinct classes that affect either birds or mammals, a step the research team called "unprecedented." ...

The bone, found in the fossil-rich Tatacoa Desert in Colombia, which sits at the northern tip of South America, is believed to be the northernmost evidence of the bird in South America thus far.

Of the 15 distinct species of cranes, two migratory cranes (sandhill and whooping) seem to be prime candidates for colonizing ...

Yet, technically, the monk parakeet is: The bird hails from South America, where it makes its home in parts of Argentina, Brazil, Bolivia, Paraguay and Uruguay. But Houston’s habitat has ...

Researchers including a Johns Hopkins University evolutionary biologist report they have analyzed a fossil of an extinct giant meat-eating bird—which they say could be the largest known member of its ...