RaptorPedia

Record highs, lows

Raptor Count Highs, Lows, Averages (by species) 1934-2011:

Species Overall Average Ten Year Average Maximum Flight Year of Maximum
Osprey 401 586 872 1990
Bald Eagle 81 235 406 2010
Northern Harrier 226 211 475 1980
Sharp-shinned Hawk 4,367 4,386 10,612 1977
Cooper's Hawk 385 743 1,118 1998
Northern Goshawk 68 47 347 1972
Red-shouldered Hawk 268 225 468 1958
Broad-winged Hawk 8,085 7,093 29,519 1978
Red-tailed Hawk 3,277 3,111 6,208 1939
Rough-legged Hawk 9 5 31 1961
Golden Eagle 61 117 162 2006
American Kestrel 400 453 839 1989
Merlin 59 164 231 2007
Peregrine Falcon 29 55 69 2009
Turkey Vulture* 270 409 669 2011
Black Vulture* 59 85 295 2011
All raptors 18,001 18,102 40,698 1978

* Data for Turkey and Black Vultures are based on counts since 1990


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