Leonard J Peyton
6 Jun 1971
- Eagle Summit - Mile 106.5 - Steese Highway
- 65.5 -145.3666667
- 1300 meters
- NAGRA III
- Sennheiser MKH 104
- Parabola 99.1cm/30.5cm (39in/12in)
NOTES: Behavior accompanying vocalization: flying and walking near a snow bank; When animal was not vocalizing it was flying; call notes only.
LNS NOTE: Changed from Aphriza virgata to Calcarius lapponicus. GV, 5 December 2007.
NOTES: Purpose of sound: singing in defense of nesting territory; Behavior accompanying vocalization: perched on top of a rock.