Science

Hawk Mountain Raptor Count

Annual Raptor Migration


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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.

Click here to keep up with our LIVE autumn count updates and for Hawk Count data graphics!

 

View By Year

View By Day

  • Species Count for 11/15/2018 Season Count To-Date Previous Week’s Count Highest Daily Count This Season
  • Black Vulture 0 37 12 12
  • Turkey Vulture 0 541 30 108
  • Unidentified Vulture 0 0 0 0
  • Osprey 0 338 0 47
  • Bald Eagle 0 469 31 39
  • Northern Harrier 0 120 5 7
  • Sharp-shinned Hawk 0 5105 47 618
  • Cooper's Hawk 0 586 17 88
  • Northern Goshawk 0 12 3 2
  • Unidentified Accipiter 0 44 0 8
  • Red-shouldered Hawk 0 182 23 28
  • Broad-winged Hawk 0 7966 0 3308
  • Red-tailed Hawk 5 1383 128 114
  • Rough-legged Hawk 0 0 0 0
  • Unidentified Buteo 0 13 0 3
  • Golden Eagle 1 122 8 25
  • Unidentified Eagle 0 0 0 0
  • American Kestrel 0 426 0 96
  • Merlin 0 247 7 27
  • Peregrine Falcon 0 60 1 5
  • Mississippi Kite 0 0 0 0
  • Unidentified Falcon 0 22 0 5
  • Unidentified Raptor 0 32 0 8
  • Other Raptor 0 2 2 2
  • Total Count: 6 17707 314 3410
  • Species Count for 11/15/2018 Season Count To-Date Previous Week’s Count Highest Daily Count This Season
  • Comments:

    Poor migration conditions today with snow starting at 11:40 dropping the visibility to zero; last bird of the day was a golden eagle at 11:35.

  • Weather:

    Overcast/Snow

  • Wind Direction:

    E/SE

  • Wind Speed:

    4-7

  • HawkCount.org
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