Buteo lagopus


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Noun1.Buteo lagopus - large hawk of the northern hemisphere that feeds chiefly on small rodents and is beneficial to farmersButeo lagopus - large hawk of the northern hemisphere that feeds chiefly on small rodents and is beneficial to farmers
hawk - diurnal bird of prey typically having short rounded wings and a long tail
Buteo, genus Buteo - broad-winged soaring hawks
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References in periodicals archive ?
Parmi les autres changements dans l'occurrence des rapaces nichant en falaise, on compte une diminution des territoires de faucon gerfaut (Falco rusticolus) occupes, passant de quatre en 1977 a un en 1979, puis a deux, en 2008; une diminution des nids de buse pattue (Buteo lagopus), passant de un en 1979 (aucun en 1977) a aucun en 2008; une augmentation des nids d'aigle royal (Aquila chrysaetos), passant de deux en 1977 et en 1979 a cinq en 2008.
(Buteo jamaicensis) 1946; Hensley 1959; Sherrod 1978 (1); van Heest & Ha 2000; V7 Ring-billed Gull Herring Gull, Larus (Larus delawarensis) argentatus--Goldman 1971 Rough-legged Hawk (Buteo lagopus) McAtee 1935; Sherrod 1978 (1) Sandhill Crane (Grus canadensis) Guthrie 1932 (1); whooping crane, Grus americana--Guthrie 1932 (1); P7 Sharp-shinned Hawk (Accipiter striatus) Guthrie 1932 (1); Sherrod 1978 (1) Great Horned Owl P3; other owl species--Guthrie (Bubo virginianus) 1932 (1) Turkey Vulture (Cathartes aura) Guthrie 1932 (1) Western bluebird (Sialia mexicana) Eastern Bluebird Sialia Sialia--Flanigan 1971 Avian Snake Predators at Eagle Lake Eats Thamnophis American Crow (Corvus brachyrhynchos) Shine et al.
Northern harriers, short-eared owls (Asio flammeus) and rough-legged hawks (Buteo lagopus) are obligate grassland species during the winter months (Baker and Brooks 1981, Bildstein 1988, Martell 1991, Holt and Leasure 1993), and are heavily reliant upon roles (Microtusspp.) for food (Colvin and Spaulding 1983, Village 1987, Grant and others 1991, Korpimaki and Norrdahl 1991, Poulin and others 2001).
The birds of prey affected are two species of Buzzard (Buteo buteo and Buteo lagopus), Marsh Harriers (Circus aeruginosus), and Goshawks (Accipiter gentilis).
Data from the Audubon Society's annual Christmas Bird Count (CBC) for the Rough-legged Hawk (Buteo lagopus) population in Colorado were analyzed for the years 1980 to 2000.
Species Common name Aegolius funereus Tengmalm's Owl Strix uralensis Ural Owl Strix aluco Tawny Owl Bubo virginianus Great Horned Owl Nyctea scandiaca Snowy Owl Buteo lagopus Rough-legged Buzzard Circus cyaneus Northern Harrier Accipiter gentilis Goshawk Falco tinnunculus Eurasian Kestral Alopex lagopus Arctic fox Species Literature citations Aegolius funereus Korpimaki (1987, 1989) Strix uralensis Pietiainen (1988), Pietiainen and Kolunen (1993) Strix aluco Southern (1970) Bubo virginianus Houston and Francis (1995) Nyctea scandiaca Portenko (1972) Buteo lagopus Hagen (1969) Circus cyaneus Simmons et al.
These fluctuations are most pronounced in the snowy owl (Nyctea scandiaca) and the rough-legged buzzard (Buteo lagopus).
Mortality attributed to predators, principally red fox (Vulpes vulpes) and Rough-legged Hawk (Buteo lagopus), was sufficient and necessary to explain summer population declines of adult microtines, but the fates of subadults remained unclear (Reid et al.
Its struggle immediately drew the attention of the other three hawks and within a few minutes nine more ferruginous hawks and one rough-legged hawk (Buteo lagopus) had surrounded the first hawk in a close group on the ground.
On the nutritional biology of the rough-legged buzzard, Buteo lagopus lagopus Brunn., in Finnish Lapland.
The most common birds of prey in the area are Rough-legged Buzzards (Buteo lagopus), Peregrine Falcons (Falco peregrinus), and Long-tailed and Arctic Skuas (Stercorarius longicaudus and S.
(3,4) Raptor species considered at particularly high risk of developing aspergillosis include goshawks (Accipiter gentilis), golden eagles (Aquila chrysaetos), gyrfalcons (Falco rusticolus), rough-legged hawks (Buteo lagopus), and red-tailed hawks (Buteo jamaicensis).