Leonard J Peyton
8 Jun 1974
- Little Susitna Canyon-North of Palmer
- 61.7666667 -149.2333333
- 767 meters
- NAGRA III
- Sennheiser MKH 104
- Parabola 99.1cm/30.5cm (39in/12in)
NOTES: Purpose of sound: singing in defense of nesting territory; Behavior accompanying vocalization: perched 8ft. up in the side of a Willow tree; When not vocalizing birds were feeding; Bird induced to sing by playback of LNS #49915.
BNA: The Song is heard. CZ 22/06/2004.