Petition for listing of the isolated regional population of northern goshawks in the southwestern United States and for designation of the critical habitat of this isolated population

Authors:

Silver, Robin D.; Anita MacFarlane; Michael Sauber; Catherine I. Sandell; Samuel M. Hitt; Peter Galvin; Todd Schulke; Stephen W. Hoffman; Steele Wotkyns; Sid Hirsch; Gwen Wardwell