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Cooper's Hawk

Accipiter cooperii

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Family: Accipitridae

Average annual sightings on Hawk Hill: 2475; Hawk Hill sightings peak mid-September through early November

Total banded by GGRO as of 2018: 16,192

ID Basics

Size: length 14-20 inches; wingspan 29-37 inches; pigeon size +

Key Field Marks: long, well-necked; rounded tail

Flight: countable wing beats (flap-flap-glide), soars and glides on level wings, with leading edge straight

(Average annual sightings based on 2006-2017 data; 2010 and 2013 data not included due to partial seasons)

  • Cooper's Hawk
    Adult Cooper's Hawk Phoebe Parker Shames/GGRO Volunteer
  • Cooper's Hawk
    A juvenile Cooper's Hawk photographed from Hawk Hill. Note the rounded tail versus the squared-off tail of the very similar Sharp-shinned Hawk. Phoebe Parker Shames/GGRO Volunteer
  • Cooper's Hawk
    A juvenile Cooper's Hawk takes flight after banding Mike Armer/GGRO Volunteer