Every time a hawk loses a flight feather, it faces a serious aerodynamic problem on its next landing approach. Researchers just discovered that these birds make a surprisingly subtle physical ...

Anaya Hale took this photo in West Golden Hills of a Red-tailed Hawk (Buteo jamaicensis) in flight. Anaya explains how she happened to get this photo: “We had been watching this pair of hawks behind ...

Pigeons, check. Blackbirds, check. Blue tits, check. Hawks? Surely not! You'd be forgiven for thinking that large birds of prey would avoid one of the busiest spots in New York, but red-tailed hawks ...

There's a lot to look forward to in spring for birders. The flowers are blooming, old friends are returning, and birdsong is at its peak. The sheer volume of songs and calls can often feel ...

Ospreys (Pandion haliaetus) are well-known sentinels of aquatic ecosystem health and are indicators of both environmental contaminants and fish stocks. The Chesapeake Bay supports one of the largest ...

Official title: COSEWIC Assessment and Status Report on the Black-tailed Prairie Dog (Cynomys ludovicianus) in Canada Committee on the status of Endangered Wildlife in Canada (COSEWIC) COSEWIC status ...

A very familiar bird over most of North America, running and hopping on lawns with an upright stance, often nesting on porches and windowsills. The American Robin's rich caroling is among the earliest ...

Size: 46-59 cm long; wingspan 103-120 cm; females typically heavier (~0.82-1.22 kg) than males (~0.55-0.85 kg).