Leonard J Peyton
29 Apr 1970
AlaskaFairbanks North Star County
- Near junction of Bellaine Rd. and Goldstream Rd.
- 64.9333333 -147.8666667
- 267 meters
- NAGRA III
- Sennheiser MKH 104
- Parabola 99.1cm/30.5cm (39in/12in)
NOTES: Purpose of sound: calling from a night perch; Behavior accompanying vocalization: perched about 50ft. up in a dead spruce; When not vocalizing, the bird was preening; The screech was used after playback of birds own call.
BNA: Advertising Call (ulululululululul) is heard. Alarm Call or Screeching Call (the 2-part screech: screeeeee-yip) is also possibly heard between 34-38 seconds. CZ 04/05/2004.