Leonard J Peyton
27 Jun 1972
- Nelson's Clearwater off the Salchakat Slough -south of Fairbanks
- 64.75 -147.9166667
- 142 meters
- NAGRA III
- Sennheiser MKH 104
- Parabola 99.1cm/30.5cm (39in/12in)
NOTES: Bird attracted to and induced to sing by playback of previosuly recorded songs; Purpose of Sound: singing in defense of nesting territory; Behavior Accompanying Vocalization: Perched 40ft. up in a live Birch tree.; When not vocalizing, bird was perched 60ft. up in the top of a dead Birch tree.; A young Great Gray Owl was in a burlap bag in the boat and it popped its Bill.
BNA: Advertising Call (ulululululululul) is heard. Another call is also heard (possibly the Alarm Call or Screeching Call). CZ 04/05/2004.