Science

Hawk Mountain Raptor Count

Annual Raptor Migration



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 09/15/2019 Season Count To-Date Previous Week’s Count Highest Daily Count This Season
  • Black Vulture 0 3 0 3
  • Turkey Vulture 0 1 0 1
  • Unidentified Vulture 0 0 0 0
  • Osprey 13 179 87 36
  • Bald Eagle 9 83 20 19
  • Northern Harrier 6 19 10 6
  • Sharp-shinned Hawk 19 129 83 24
  • Cooper's Hawk 4 18 10 4
  • Northern Goshawk 0 0 0 0
  • Unidentified Accipiter 0 3 2 2
  • Red-shouldered Hawk 0 7 0 2
  • Broad-winged Hawk 760 2023 1684 760
  • Red-tailed Hawk 3 73 9 9
  • Rough-legged Hawk 0 0 0 0
  • Unidentified Buteo 1 6 2 1
  • Golden Eagle 0 1 0 1
  • Unidentified Eagle 0 0 0 0
  • American Kestrel 9 62 30 9
  • Merlin 3 24 11 6
  • Peregrine Falcon 0 4 1 1
  • Mississippi Kite 0 0 0 0
  • Unidentified Falcon 0 1 1 1
  • Unidentified Raptor 0 2 0 1
  • Other Raptor 0 0 0 0
  • Total Count: 827 2638 1950 827
  • Species Count for 09/15/2019 Season Count To-Date Previous Week’s Count Highest Daily Count This Season
  • Comments:

    New season high single day count for Broad-winged Hawks; 120 BWs soared glided past the lookout from 5:00-6:00 pm

  • Weather:

    Clear/Mostly cloudy

  • Wind Direction:

    WNW/NW

  • Wind Speed:

    1-7

  • HawkCount.org
KU Foundation