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Status of the Broad-Winged and Red-Shouldered Hawks During Fall Migration in Southwestern Idaho, 1995-2006
Western Birds
  • Jay D. Carlisle, Boise State University
  • Gregory S. Kaltenecker, Boise State University
  • Ryan S. Brady, Boise State University
Document Type
Article
Publication Date
10-1-2007
Disciplines
Abstract
Twelve years of counting raptors during fall migration near Boise, Idaho, yielded 214 Broad-winged and 9 Red-shouldered Hawks, revealing these species as much more frequent in Idaho than previously known. The Broad-winged Hawk is an uncommon, annual fall migrant in Idaho. The Red-shouldered Hawk is at least casual, possibly nearly annual, during fall migration. These data match increased sightings from other western states that have likely resulted from a combination of increased observer coverage and possible range expansions and/or numerical increases for both species in the West.
Citation Information
Jay D. Carlisle, Gregory S. Kaltenecker and Ryan S. Brady. "Status of the Broad-Winged and Red-Shouldered Hawks During Fall Migration in Southwestern Idaho, 1995-2006" Western Birds (2007)
Available at: http://works.bepress.com/jay_carlisle/12/