Records

  Earliest Arrival High Season Total Peak Day Number Usual Peak Period
Black
Vulture
March 15 6 Mar.25, 2003 3 x
Turkey
Vulture
February 22 22,438 Apr.2, 2014 4,318 Apr 1 – Apr 30
Osprey March 19 1,063 May 24,1998 194 Apr 20 – May 15
Am.
Swallow-tailed
Kite
April 16 1 Apr. 16, 1976 & May 4, 2012 1 x
Mississippi
Kite
May 10 1 May 10, 1990 1 x
Bald Eagle February 20 680 May 9, 2014 91 Mar 15 – May 20
White-tailed
Eagle
April 24 1 Apr. 24, 1993 1 x
Northern
Harrier
February 15 1,554 Mar.24, 1994 235 Mar 20 – Apr 20
Sharp-shinned
Hawk
February 20 11,582 Apr. 28, 1984 3,019 Apr 5 – May 10
Cooper’s
Hawk
February 19 1,176 Apr. 1, 1981 158 Mar 20 – Apr 10
Northern
Goshawk
February 15 398 Mar.29, 1973 88 Mar 1 – Mar 30
Red-shouldered
Hawk
February 20 1,805 Apr. 5, 1993 722 Mar 15 – Apr 10
Broad-winged
Hawk
April 8 40,108 Apr.22, 1985 18,493 Apr 20 – May 5
Swainson’s
Hawk
March 31 3 x 1 Apr 20 – May 20
Red-tailed
Hawk
February 13 19,531 Apr. 11, 1995 4,581 Mar 10 – Apr 20
Rough-legged
Hawk
February 12 656 Feb.22, 1981 165 Feb 20 – Apr 20
Golden Eagle February 20 111 Apr.27, 2011 26 Mar 15 – Apr 20
American
Kestrel
February 19 931 Apr. 15, 1972 296 Mar 20 – Apr 20
Merlin March 5 102 Apr. 30, 1996 14 Apr 10 – May 10
Peregrine Falcon March 6 21 May 10, 1996 5 Apr 20 – May 10
Gyrfalcon February 16 1 x x 3 singles only
Earliest Arrival High Season Total Peak Day Number Usual Peak Period