ML 49954

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Northern Hawk Owl -- Surnia ulula More
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Age/Sex
Identification
Solicitation
Behavior
Note

1 Unknown  

100%

Sight and Sound

 

Natural
 

 

 

Leonard J Peyton
17 Jun 1975 at 05:00

    Geography
  • United States
    Alaska
    Locality
  • Fairbanks - Near Junction of Goldstream Rd. and Ballaine Rd.
    Latitude/Longitude
  • 64.9333333   -147.8666667
    Elevation
  • 267 meters
    Channels
  • Mono
    Sampling Rate
    Bit Depth
    Recorders
  • NAGRA III
    Microphones
  • Sennheiser MKH 104
    Accessories
  • Parabola 99.1cm/30.5cm (39in/12in)
    Equipment Note

NOTES: Purpose of vocalization: calling because of disturbance of young in nest; Behavior accompanying vocalization: perched in top of dead Spruce, Perched in top of Willow tree, Perched in top of live Spruce; When not vocalizing bird was perched in top of Spruce tree; Nest 12ft. up in top of old Birch stump. Nest cavity hollowed out in top of stump. 3 young in nest. 2 young already left nest. Nestlings were banded. Smallest in nest=587-22201; Next smallest in nest=587-22202; Largest in nest=587-22203; Out of nest=had left nest and were about a 100 yards away in an easterly direction. Smallest out of nest=587-22204; Largest out of nest=587-22205.

BNA: Possibly the "Alarm Call" or "Screeching Call" of an adult is heard as well as "screeeee-yip" (of either adult or nestling). CZ 04/05/2004.

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