North American Bird Search Box
This search box can be used to find bird species using bird's english, french or latin name, or to identify bird by its 4 letter Alpha Code
Field Guide for all the Birds of North America
Rough-legged Hawk
4 Letter (english names) Alpha Code: RLHA (1)
Buse pattue
Buteo lagopus
Information, images and range maps on over 1,000 birds of North America, including sub-species, vagrants, introduced birds and possibilities
Species: The Rough-legged Hawk (Buteo lagopus) is a buteo that nests on the arctic tundra. Only this hawk and the Ferruginous Hawk (Buteo regalis) has feathered legs to the toes. Because of its smaller feet and beak, it is most likely to hunt smaller prey, such as lemmings, voles and large insects. Late in the fall it migrates into southern Canada and the northern US states. It only migrates as far south as its' ability to find prey. It can easily be recognized by its ability to hover over a spot as it seeks out food. Another such feature of recognition, is its' ability to perch on the very top branches of a tree while scanning the grounds below.
Distinctions: Adults are sexually dimorphic, females showing slightly browner plumage, with large lower breast band. Also, dichromatic, with a light and dark morph variety. Both varieties have dark carpel patches on underwings, easier to see on the light morph hawk. Large subterminal band on tail feathers, with white tips on both types, dark feather tips bordering the wings. Juvenile has less distinguishable feathers in the light morph, similar to the female in the dark morph type.
Voice: Call notes sounding like whistles, from a high pitch to a lower pitch.
Nesting: Two to three white and brown eggs, maybe more in years of higher lemming population, one brood per year. Nest built on the tundra floor, if possible on a ridge or side of a cliff, may nest on a man-made structure, such as a tower. May use the same nest in the following years.
Life, Habitat and Pictures of North American Hawks
| B L | W W | W | Family | Latin Name |
|---|---|---|---|---|
| 21" 53.3cm | 53" 134.6cm | 2.2lb. 1kg | Accipitridae | Buteo lagopus |
- Summer
- Year Around
- Winter
Distribution: Breeds in the North American tundra. Also, this same species breeds in the Eurasian tundra. Can be found from Newfoundland all the way west to the northern regions of Alaska in the summer months. Migrates into southern parts of Canada and the northern US states, from the Atlantic coast to the Pacific coast, where it will remain for the winter months .
References to Other Bird Sites:
Avibase - the world bird database This site provides the user with a complete list of bird species, broken down per country, or in the example of the US or Canada, per state and province. Here, bird species names are available in other languages, a great asset to be used as a translation of foreign bird names.
ABA - American Birding Association This site represents an organization that maintains official records of all birds species that have been proven to have been seen inside the perimeters of the North American Continent and the surrounding bodies of water. Regular revised versions are posted to keep the bird list current at all times. This is the list used by all serious birders over their lifetime. You may be aware of the movie called the "Big Year". It was with this list that all the competing birders used in an attempt to set a new record as to how many bird species that could be seen by an individual birder in one calendar year.
I hope you will take advantage of these suggested websites. I have used each of them, in one way or another, throughout the years in my quest to better identify and understand our fine feathered friends.