Laguntzailea
Leonard J. Peyton Laguntzaile honen media
Data
06:00
Kokapena
Eagle Summit-Steese Highway
Alaska, United States
Kokapen honetako media fitxategiak Ilustratutako zerrendak- Adina eta sexua
- Eme heldua - 2
- Grabaketa
- Erreklamoa erabili da
Iruzkina
Purpose of sound: singing in defense of nesting territory; Behavior accompanying vocalization: running around on ground and calling from flight; When not vocalizing, birds were feeding; Recordist's Note: "Two females were attracted to this playback (Pre-copulatory call) and proceeded to display and chase. Both birds showed no evidence of having a male around. Possibly both males were on nests or neither of these two females had attracted a male. These tapes contain what I call threat calls.". Sound stimulation was (other): playback precopulating call. Habitat: Tundra, Rocky.
Informazio teknikoa
- Grabatzailea
- NAGRA III
- Mikrofonoa
- Sennheiser MKH 104
- Osagarriak
- Parabola 99.1cm/30.5cm (39in/12in)
Artxiboko informazioa
- Katalogatuta
- 3 May 2001 - Lauren A. Serafin
- Digitalizatuta
- 3 May 2001 - Lauren A. Serafin