General Technical Report RMRS-GTR-22
The Northern Goshawk in Utah: Habitat Assessment and Management Recommendations

Background

Table 4 -- Important habitat attributes for maintaining populations of selected goshawk prey in Utah (based on descriptions provided by Northern Goshawk Interagency Technical Team members and others listed technical contributors; appendix A).a

Prey species	Large down woody debris	Snags	Large trees	Understory vegetation	Openings	Mix of structural stages	Interlocking tree crowns	Most common in these cover typesb
Mammals
Snowshoe hare	Low	None	None	High	Low	High	None	LPP, SAF, ES
Red squirrel	High	High	High	Med	None	Low	High	ES, LPP, DF
Woodpeckers
Northern flicker	High	High	High	Med	Low	High	None	PP, QA
Three-toed Woodpecker	Med	High	High	None	None	Med	None	LPP, ES
Hairy Wood- peckers/ Williamson's sapsucker	Med	High	High	Med	None	Med	None	QA, LPP, ES, DF, SAF
Downy Woodpecker	Med	High	High	Med	None	Med	None	QA
Red-naped sapsucker	Med	High	High	Med	None	Med	None	PP
Other Birds
Steller's jay	Low	Low	High	Low	None	Low	Low	PP, P/J
Ruffed grouse	High	None	Low	High	High	High	Low	QA
Blue grouse	Med	None	High	High	High	High	Low	DF
American robin	Low	None	Low	High	Med	High	Med	PP, QA
Mountain bluebird	Low	High	High	High	High	High	None	QA, PP, P/J
aAfter Reynolds and others 1992. Information on ruffed grouse and mountain bluebird from DeGraaf and others 1991, Ehrlich and others 1988. Additional information on bird use of forest cover types from Forest Service breeding bird surveys (Ashley National Forest 1995). Information on snowshoe hare from Dolbeer and Clark 1975; Koehler 1989; Koehler and Brittell 1990. Dominant tree species alone or in mixed stands. bFor full name description see table 1, footnotes.

Title: Background: Table 4 RMRS-GTR-22 - The Northern Goshawk in Utah: Habitat Assessment and Management Recommendations
Electronic Publish Date: May 26, 1999
Expires: Indefinite
Last Update: January 15, 2002

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