Science

Hawk Mountain Raptor Count

Annual Raptor Migration


Official Outdoor Outfitter

Annual Autumn Hawkwatch: Daily, August 15 - December 15
Spring Migration: Daily, April 1-May 15

  • Autumn hawk flights are best on days with northwest wind following a cold front.
  • The Daily Count is posted after 6 pm.
  • You can hear tomorrow's weather forecast and flight prediction by calling 610-756-6000 x6 after 6 pm.

Please contact Hawk Mountain Sanctuary for questions about our count data or to use this data for scientific research.

View By Year

View By Day

  • Species Count for 05/15/2016 Season Count To-Date Previous Week’s Count Highest Daily Count This Season
  • Black Vulture 0 9 0 2
  • Turkey Vulture 0 25 0 8
  • Unidentified Vulture 0 0 0 0
  • Osprey 0 62 0 14
  • Bald Eagle 0 37 0 6
  • Northern Harrier 0 24 0 3
  • Sharp-shinned Hawk 0 93 0 17
  • Cooper's Hawk 0 17 0 6
  • Northern Goshawk 0 0 0 0
  • Unidentified Accipiter 0 18 0 7
  • Red-shouldered Hawk 0 12 0 5
  • Broad-winged Hawk 0 327 0 78
  • Red-tailed Hawk 2 38 0 4
  • Rough-legged Hawk 0 0 0 0
  • Unidentified Buteo 0 15 0 3
  • Golden Eagle 0 0 0 0
  • Unidentified Eagle 0 1 0 1
  • American Kestrel 0 13 0 3
  • Merlin 0 5 0 3
  • Peregrine Falcon 0 0 0 0
  • Mississippi Kite 0 0 0 0
  • Unidentified Falcon 0 2 0 1
  • Unidentified Raptor 0 29 0 5
  • Other Raptor 0 0 0 0
  • Total Count: 2 727 0 135
  • Species Count for 05/15/2016 Season Count To-Date Previous Week’s Count Highest Daily Count This Season
  • Comments:

  • Weather:

    cloudy and windy with short hailstorm

  • Wind Direction:

    NW

  • Wind Speed:

    max of 23

  • HawkCount.org
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