My Bird Info

Hen Harrier – Wikipedia, the free encyclopedia
The Hen Harrier (Circus cyaneus) or Northern Harrier (in North America … his display flight [3] [edit] Northern Harrier. C. c. hudsonius … In winter, the Hen Harrier is a bird of open …
en.wikipedia.org/wiki/Circus_cyaneus

Circus cyaneus
… three subspecies of northern harrier, but only one of these, C. cyaneus ssp. hudsonius … of North American birds, 7th … Northern harrier (Circus cyaneus) predation of …
www.fs.fed.us/database/feis/animals/bird/cicy/all.html

Comprehensive Report Species – Circus cyaneus
… of the breeding status of the northern harrier (circus cyaneus hudsonius) in … american birds 40(4):575-1117. dunne, p. 1984. 1983 northern harrier breeding survey in coastal new …
www.natureserve.org/explorer/servlet/NatureServe?searchSpeciesUid=ELEMENT_GLOBAL.2.103344

ITIS Standard Report Page: Circus cyaneus
… Circus cyaneus hudsonius … American Ornithologists’ Union’s "LIST OF THE 2,037 BIRD SPECIES (WITH … Reference for: Circus cyaneus, Northern Harrier
www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=175430&source

northern harrier: Definition from Answers.com
… northern harrier n. A slim-bodied hawk (Circus cyaneus … Circus cyaneus hudsonius: Breeds in North America (sometimes considered a distinct species Northern Harrier … Birds and Birding: Northern Harrier
www.answers.com/topic/hen-harrier

Northern Harrier Habitat Model
Northern harrier, Circus cyaneus. Use of … of Northern Harriers (Circus cyaneus hudsonius) at … Northern Harrier, Circus cyaneus. In A. Poole and F. Gill (eds.) The Birds of North …
www.fws.gov/r5gomp/gom/habitatstudy/metadata/northern_harrier_model.htm

Northern Harrier in Alabama
Two subspecies recognized: larger northern harrier (Circus cyaneus hudsonius) and … Wintering birds use a variety of open habitats … North American populations also negatively …
www.outdooralabama.com/watchable-wildlife/what/Birds/ospreys/nh.cfm

BiRDZiLLA: Northern Harrier
now Northern Harrier – Circus cyaneus. MARSH HAWK CIRCUS HUDSONIUS (Linnaeus) … large, long-tailed, long winged bird … clean, of practically full-grown American …
www.birdzilla.com/omnibus.asp?strType=Bent&strTitle=Northern+Harrier&strURL=northern_harri…

List of North American Diurnal Birds of Prey
… on the American Ornithologists’ Union Checklist of North American Birds … Circus cyaneus (Linnaeus). NORTHERN HARRIER. Circus cyaneus hudsonius (Linnaeus)
www.interaktv.com/BIRDS/NAmRaptor.html

NPWRC :: Effects of Management Practices on Grassland Birds: Northern …
Northern Harrier. Pages 251-303 in R. S. Palmer, editor. Handbook of North American birds, vol. 4 … ecology of the Northern Harrier (Circus cyaneus hudsonius …
www.npwrc.usgs.gov/resource/literatr/grasbird/noha/noha.htm