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 09/14/2014 Season Count To-Date Previous Week’s Count Highest Daily Count This Season
  • Black Vulture 0 46 23 21
  • Turkey Vulture 0 27 26 21
  • Unidentified Vulture 0 0 0 0
  • Osprey 9 180 58 18
  • Bald Eagle 11 87 34 14
  • Northern Harrier 0 14 3 3
  • Sharp-shinned Hawk 20 139 79 26
  • Cooper's Hawk 3 43 18 10
  • Northern Goshawk 0 2 0 2
  • Unidentified Accipiter 0 6 3 3
  • Red-shouldered Hawk 0 2 0 1
  • Broad-winged Hawk 876 2262 1919 876
  • Red-tailed Hawk 7 75 30 13
  • Rough-legged Hawk 0 0 0 0
  • Unidentified Buteo 0 11 1 4
  • Golden Eagle 0 0 0 0
  • Unidentified Eagle 0 0 0 0
  • American Kestrel 1 94 23 18
  • Merlin 3 29 13 7
  • Peregrine Falcon 0 14 6 4
  • Mississippi Kite 0 0 0 0
  • Unidentified Falcon 0 4 2 2
  • Unidentified Raptor 0 11 3 3
  • Other Raptor 0 0 0 0
  • Total Count: 930 3046 2241 930
  • Species Count for 09/14/2014 Season Count To-Date Previous Week’s Count Highest Daily Count This Season
  • Comments:

    Broadwings streaming past the lookout all day; late day kettle of 20+ birds roosted along the slope of 1.

  • Weather:

    Overcast/Partly cloudy

  • Wind Direction:

    N/NW

  • Wind Speed:

    1-12

  • HawkCount.org
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