A male Swainson's hawk (Buteo swainsoni) at a rehabilitation facility in Colorado was presented with severe crusting of the skin on the medial thighs and caudal ventral body. Male and female ...

Ferruginous Hawks (Buteo regalis) that spend their winters in California seem to be going up in number, yet their preferred grassland habitat has been declining for over twenty years. Most other ...

This is a preview. Log in through your library . Abstract Without genetic tests of parentage, descriptions of mating systems must be considered hypothetical. Here we confirm the existence of ...

In late autumn, cold air masses come barreling down from the Canadian Arctic like an atmospheric avalanche, bringing with them a visitor from the North: the rough-legged hawk ( Buteo lagopus ).

A common hawk of wet deciduous woodlands, they are the noisiest of the buteos, especially during spring courtship. A perch-hunter of the forest understory, it feeds on frogs, snakes, lizards, and ...

How much weight can a hawk carry? The answer varies depending on the type of hawk. Though North America boasts approximately 18 distinct hawk species, we focus on the magnificent red-tailed hawk. As ...