This important study explores numerous lines of evidence for the surprisingly diverse diets of a group of toothed birds that lived over 100 million years ago. The large amount of data the authors ...

Used in rituals by the ancestors of the Indigenous Tupinambá people in Brazil, sacred capes made from bird feathers were lost in time and today survive only as museum pieces in Europe. Only 11 of ...

Raptors or birds of prey are some of the most remarkable animals on Earth. With powerful wings, razor-like talons, and sharp senses, these perfectly adapted hunters rule the skies as apex predators, ...

Due to a planned power outage on Friday, 1/14, between 8am-1pm PST, some services may be impacted. A line drawing of the Internet Archive headquarters building façade. An illustration of a magnifying ...

Common Black Hawk - Buteogallus anthracinus big dark bird of prey in the family Accipitridae, formerly Cuban black-hawk - Buteogallus gundlachii as a subspecies, on the tree, eats crab and fly away.

This site displays a prototype of a “Web 2.0” version of the daily Federal Register. It is not an official legal edition of the Federal Register, and does not replace the official print version or the ...

It was a common black hawk (Buteogallus anthracinus), a bird of prey definitely not known to inhabit coastal California. Normally, the species stayed close to river systems throughout Central and ...

The great black-hawk, Buteogallus urubitinga (Gmelin) (Accipitridae), is a diurnal bird of prey found in the open savanna and swamp edges of the Neotropical Region, from Mexico through Central America ...