Web1 de jan. de 2011 · We studied habitat selection by northern harriers (Circus cyaneus) and short-eared owls (Asio flammeus) on 2 intensively managed grassland sanctuary … WebTwo subspecies: C. c. cyaneus in the Old World and C. c. hudsonius in the New World. Breeds widely but locally in North America from northern Alaska and Canada south to …
File:Northern (Hen) Harrier.jpg - Wikimedia Commons
WebNorthern Harrier ( Circus cyaneus ) Pennsylvania Candidate at Risk Bird Species State Rank: S3B; S4N (vulnerable, breeding; apparently secure, nonbreeding ) Global Rank: G 5 (secure ) Identification Northern Harriers are medium … WebCircus cyaneus hudsonius [version 1] Sibley and Monroe, Birds of the World Version 2.0: American Harrier ( Circus hudsonius ) [version 1] South American Classification Committee (4/06/2024): Northern Harrier ( Circus hudsonius ) South American Classification Committee (6/06/2024): impractical jokers senior playground
Circus hudsonius (American Harrier) - Avibase
WebSchmidt, U.; Schmidt, M. 2004: Playful hunting of the hen harrier Circus cyaneus Spielerische Jagd einer Kornweihe Circus cyaneus Ornithologische Mitteilungen 565: 159-160 Klose, O. 1998: Observations on fishing by the hen harrier Circus cyaneus Beobachtungen einer fischenden Kornweihe Circus cyaneus Ornithologische … WebNorthern Harrier Circus cyaneus Dan Pancamo Photo Vic Berardi Photo. tall grasses, or perched on fence posts. They’re not as easy to spot on the ground, especially while feeding, given the way their plumage blends with winter landscapes. They can be dis-tinguished from other open country raptors, WebSchmidt, U.; Schmidt, M. 2004: Playful hunting of the hen harrier Circus cyaneus Spielerische Jagd einer Kornweihe Circus cyaneus Ornithologische Mitteilungen 565: … lithe ebony