Red-tailed Hawk Buteo jamaicensis
September 1965 Braddock's Bay, New York, and attacking grackle
10 August 1967 Yellowstone Park, Wyoming
dark variety, tethered, 10 August 1967 Yellowstone Park, Wyoming
30 June 2008 Arvada, Colorado
19 September 2008 Arvada, Colorado
21 September 2008 Arvada, Colorado
2 December 2008 Arvada, Colorado
13 May 2009 Arvada, Colorado. It was being chased by a Kestrel and then a Cooper's Hawk
23 December 2010 Arvada, Colorado
27 November 2011 Arvada, Colorado
26 March 2012 Savegre, Costa Rica
12 September 2012 Arvada, Colorado
nest with juveniles, 12 June 2016 Arvada, Colorado