TY - RPRT TI - Genetic and morphological divergence among Cooper's Hawk ( Accipiter cooperii ) populations breeding in north-central and western North America AU - Sarah A. Sonsthagen AU - Robert N. Rosenfield AU - John Bielefeldt AU - Robert K. Murphy AU - Andrew C. Stewart AU - William C. Stout AU - Timothy G. Driscoll AU - Michael A. Bozek AU - Brian L. Sloss AU - Sandra L. Talbot PY - 2012 DO - 10.1525/auk.2012.11166 UR - https://pubs.usgs.gov/publication/70135108 ID - 70135108 ER -