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 10/20/2018 Season Count To-Date Previous Week’s Count Highest Daily Count This Season
  • Black Vulture 2 15 13 8
  • Turkey Vulture 1 431 275 108
  • Unidentified Vulture 0 0 0 0
  • Osprey 0 334 5 47
  • Bald Eagle 3 324 84 39
  • Northern Harrier 4 82 17 7
  • Sharp-shinned Hawk 160 3710 1165 618
  • Cooper's Hawk 9 429 134 88
  • Northern Goshawk 0 2 0 1
  • Unidentified Accipiter 1 35 11 8
  • Red-shouldered Hawk 2 50 27 11
  • Broad-winged Hawk 0 7966 1 3308
  • Red-tailed Hawk 30 386 232 114
  • Rough-legged Hawk 0 0 0 0
  • Unidentified Buteo 0 10 1 3
  • Golden Eagle 3 17 14 6
  • Unidentified Eagle 0 0 0 0
  • American Kestrel 2 377 53 96
  • Merlin 11 206 36 27
  • Peregrine Falcon 1 54 7 5
  • Mississippi Kite 0 0 0 0
  • Unidentified Falcon 0 17 2 5
  • Unidentified Raptor 0 29 6 8
  • Other Raptor 0 0 0 0
  • Total Count: 229 14474 2083 3410
  • Species Count for 10/20/2018 Season Count To-Date Previous Week’s Count Highest Daily Count This Season
  • Comments:

    Early fog in morning put a damper on migration but my mid-morning fog lifted and visibility improved greatly. Raptor migration was in full swing for rest of day, highlighted by 3 Golden Eagles & 11 Merlin.

  • Weather:

    Dense Fog/Partly Clody

  • Wind Direction:

    WNW

  • Wind Speed:

    1-8

  • HawkCount.org
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