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Rough-legged Hawk

Buteo lagopus

Rough-legged Hawk, light phase

Rough-legged Hawk
credit: Walter Siegmund/CCSA

Rough-legged Hawks breed in the high Arctic and migrate each year across the great Boreal Forest of Canada to winter in the United States. As is the case with many predators from the Arctic, climatic factors (onset and severity of winter) and fluctuations in the populations of voles and other prey species greatly influence the timing of migration and the southerly extent of movements. Rough-legged Hawks are absent from the counts of all but a few northern sites. The individuals reported at sites in many parts of the west are probably winter residents.

Read more about the Rough-legged Hawk.

 

 

 

2007 eNature.com