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Publication Information

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Title: Food habits of Northern Goshawks nesting in south central Wyoming

Author: Squires, John R.;

Date: 2000

Source: Wilson Bulletin. 112(4): 536-539.

Publication Series: Scientific Journal (JRNL)

Description:

Northern Goshawks (Accipiter gentiles) nesting in south central Wyoming consumed at least 33 species of prey; 14 were mammals and 19 were birds. Based on percent occurrence in regurgitated pellets, dominant (>10% frequency) prey species included: red squirrel (Tamiasciurus hudsonicus; present in 50% of pellets), Northern Flicker (Colaptes auratus; 34%), American Robin (Turdus migratorius; 30%), golden-mantled ground squirrel (Spermophilus lateralis; 27%), and Uinta or least chipmunk (Tamias spp.; 10%). Woodpeckers [combined frequency of occurrence for Northern Flicker, Red-naped Sapsucker (Sphyrapicus nuchalis), Hairy Woodpecker (Picoides villosus), Three-toed Woodpecker (Picoides tridactylus), and unknown species] were present in 52% of pellets. Unusual food items in the diet included mule deer (Odocoileus hemionus) and American marten (Martes americana).

Keywords: Northern Goshawks, Accipiter gentiles, food, nesting

Publication Notes:

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  • This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.

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Citation:


Squires, John R. 2000. Food habits of Northern Goshawks nesting in south central Wyoming. Wilson Bulletin. 112(4): 536-539.

 


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