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 09/22/2017 Season Count To-Date Previous Week’s Count Highest Daily Count This Season
  • Black Vulture 0 1 0 1
  • Turkey Vulture 0 15 3 9
  • Unidentified Vulture 0 0 0 0
  • Osprey 33 209 39 33
  • Bald Eagle 6 116 24 12
  • Northern Harrier 0 19 7 3
  • Sharp-shinned Hawk 56 292 96 56
  • Cooper's Hawk 3 42 10 5
  • Northern Goshawk 0 0 0 0
  • Unidentified Accipiter 0 9 3 1
  • Red-shouldered Hawk 1 7 2 3
  • Broad-winged Hawk 32 10644 6530 4019
  • Red-tailed Hawk 1 62 8 9
  • Rough-legged Hawk 0 0 0 0
  • Unidentified Buteo 0 12 4 3
  • Golden Eagle 0 0 0 0
  • Unidentified Eagle 0 0 0 0
  • American Kestrel 20 123 49 20
  • Merlin 2 31 13 4
  • Peregrine Falcon 0 6 1 1
  • Mississippi Kite 0 0 0 0
  • Unidentified Falcon 0 4 0 1
  • Unidentified Raptor 1 11 2 2
  • Other Raptor 0 0 0 0
  • Total Count: 155 11603 6791 4060
  • Species Count for 09/22/2017 Season Count To-Date Previous Week’s Count Highest Daily Count This Season
  • Comments:

    Excellent late day osprey flight and lots of Cape May warblers in the morning.

  • Weather:

    Partly cloudy/Mostly cloudy

  • Wind Direction:

    NW/WNW

  • Wind Speed:

    1-7

  • HawkCount.org
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