Broad-winged Hawk

Buteo platypterus

General Status Rank: 
Undetermined
ELCODE: 
ABNKC19050
Common Name: 
Broad-winged Hawk
Scientific Name: 
Buteo platypterus
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Taxonomy
Group: 
Bird
Kingdom: 
Animalia
Phylum: 
Chordata
Class: 
Aves
Order: 
Accipitriformes
Family: 
Accipitridae
References: 
ASC13
General Biology

Female Age at Maturity

Usually does not breed until ≥1 yr old
References: 
B137

Longevity

Oldest recovered bird, 14 yr 4 mo
References: 
B137
Habitat
mature or old mixedwood forest near water bodies
References: 
A111
Distribution

Ecozones

Taiga Plains
References: 
A111

Distribution

Present in Liard Valley in 1998, 1999Uncommon and local in the vicinity of Fort Liard, where breeding was confirmed in June 2000. Casual elsewhere in the Southern Mainland, with reports from Checkpoint, Fort Simpson, Chan Lake.(NWT Bird checklist project)
Score: 
F
References: 
A111

Number of Occurrences

6 observations in Liard Valley; no sign of breeding but population high enough to suggest ind are not simply transient in area., Early record: 13 May 2003; 2 individuals; Fort Liard (Muskeg River); Todd Heakes; eBird 2012. Late record: 20 July 1999; 1 individual; Fort Liard (Fern Gully); Craig Machtans; eBird 2012. High count: 3 individuals; 11 June 2014; Fort Liard; Rhiannon Leshyk; eBird 2012.(NWT Bird checklist project)
Score: 
B
References: 
A111

Historical Distribution

probably in sw corner of NWT - Liard Valley
References: 
A111

Area of Occupancy

Score: 
-
Threats

Intrinsic Vulnerability

Score: 
-
General Status Rank
Rank: 
Undetermined
Status Rank Description: 
Liard Valley, some signs of breeding but not conclusive, extreme northern edge, extra-limital
S Rank: 
SU
Decision Process Description: 
Drafted by S. Carriere based on printed material; Reviewed in 2005 by S Carrière based on printed literature only :no changes in rank.; Reviewed in 2010;no change; Reviewed in 2015, no change; Reviewed in 2020, no change
Last Updated: 
June 18, 2020

References

Age Of Maturity

  • Goodrich, L. J., S. C. Crocoll, and S. E. Senner. (1996) Broad-winged Hawk (Buteo platypterus). In The Birds of North America,. The Academy of Natural Sciences, Philadelphia, PA, and The American Ornithologists’ Union, Washington, D.C. No. 218 (A. Poole and F. Gill, eds.). http://bna.birds.cornell.edu/BNA - B137 Return

Ecozones

  • Machtans, C.S. (2000) Extra-limital observations of Broad-winged Hawk, Buteo platypterus, Connecticut Warber, Oporornis agilis, and other bird observations from the Liard Valley, Northwest Territories.. Ottawa Field-Naturalists' Club Canadian Field-Naturalist 114: 671-679. - A111 Return

Habitat

  • Machtans, C.S. (2000) Extra-limital observations of Broad-winged Hawk, Buteo platypterus, Connecticut Warber, Oporornis agilis, and other bird observations from the Liard Valley, Northwest Territories.. Ottawa Field-Naturalists' Club Canadian Field-Naturalist 114: 671-679. - A111 Return

Historical Distribution

  • Machtans, C.S. (2000) Extra-limital observations of Broad-winged Hawk, Buteo platypterus, Connecticut Warber, Oporornis agilis, and other bird observations from the Liard Valley, Northwest Territories.. Ottawa Field-Naturalists' Club Canadian Field-Naturalist 114: 671-679. - A111 Return

Longevity

  • Goodrich, L. J., S. C. Crocoll, and S. E. Senner. (1996) Broad-winged Hawk (Buteo platypterus). In The Birds of North America,. The Academy of Natural Sciences, Philadelphia, PA, and The American Ornithologists’ Union, Washington, D.C. No. 218 (A. Poole and F. Gill, eds.). http://bna.birds.cornell.edu/BNA - B137 Return

Number of Occurrences

  • Machtans, C.S. (2000) Extra-limital observations of Broad-winged Hawk, Buteo platypterus, Connecticut Warber, Oporornis agilis, and other bird observations from the Liard Valley, Northwest Territories.. Ottawa Field-Naturalists' Club Canadian Field-Naturalist 114: 671-679. - A111 Return

Range Extent

  • Machtans, C.S. (2000) Extra-limital observations of Broad-winged Hawk, Buteo platypterus, Connecticut Warber, Oporornis agilis, and other bird observations from the Liard Valley, Northwest Territories.. Ottawa Field-Naturalists' Club Canadian Field-Naturalist 114: 671-679. - A111 Return

Taxonomy

  • Chesser, R. Terry, Richard C. Banks, F. Keith Barker, Carla Cicero, Jon L. Dunn, Andrew W. Kratter, Irby J. Lovette, Pamela C. Rasmussen, J. V. Remsen, James D. Rising, Douglas F. Stotz, Kevin Winker. (2010) Fifty-first supplement to the American Ornithologists' Union Check-List of North American Birds.. Auk 127(3):726-744. - ASC13 Return