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 10/16/2017 Season Count To-Date Previous Week’s Count Highest Daily Count This Season
  • Black Vulture 0 14 0 13
  • Turkey Vulture 33 253 175 74
  • Unidentified Vulture 0 0 0 0
  • Osprey 5 266 2 33
  • Bald Eagle 21 201 9 21
  • Northern Harrier 2 38 9 3
  • Sharp-shinned Hawk 251 1428 316 251
  • Cooper's Hawk 66 180 32 66
  • Northern Goshawk 0 0 0 0
  • Unidentified Accipiter 19 40 9 19
  • Red-shouldered Hawk 3 18 2 3
  • Broad-winged Hawk 0 10726 1 4019
  • Red-tailed Hawk 27 118 7 27
  • Rough-legged Hawk 0 0 0 0
  • Unidentified Buteo 0 14 0 3
  • Golden Eagle 1 1 0 1
  • Unidentified Eagle 0 1 0 1
  • American Kestrel 14 211 16 20
  • Merlin 8 82 24 8
  • Peregrine Falcon 1 56 11 12
  • Mississippi Kite 0 0 0 0
  • Unidentified Falcon 4 18 3 4
  • Unidentified Raptor 5 27 6 5
  • Other Raptor 0 0 0 0
  • Total Count: 460 13692 622 4060
  • Species Count for 10/16/2017 Season Count To-Date Previous Week’s Count Highest Daily Count This Season
  • Comments:

    A great stream of raptors all day with a nice mix of species.

  • Weather:

    Overcast/Clear

  • Wind Direction:

    NW/WNW

  • Wind Speed:

    2-13

  • HawkCount.org
RPI