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 ...

Iowa has a rich diversity of wintering diurnal raptors. About 14 species are found during the coldest months, which include the broader categories of eagles, hawks and falcons. While most raptor ...

A weak and emaciated immature female red-tailed hawk (Buteo jamaicensis) was presented to the Audubon Institute's Wild Bird Rehabilitation Center for evaluation. Physical examination of the bird ...

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). Its ...