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ML539779

Sooty Grouse Dendragapus fuliginosus

Rapporter Legg til forespørsel

Bidragsyter

Wil Hershberger Media from this contributor Profil

Dato

14. jun 2018 06:11

Lokalitet

Arctic Mine
Sierra, California, United States
Media from this location Illustrert sjekkliste
Kart
Kart Coordinates: 39.6413274, -120.6087857
Age and sex
Adult hunn - 1; Juvenile, Unknown sex - 1
Lyder
Lokkelyd
Lydavspilling
Playback not used

Kommentarer

Adult female Sooty Grouse calling from large Jefferey Pine and Incense Cedar near the parking area used for the sound recording workshop. She was calling and moving from branch to branch. As more recordists converged on her location, she became more agitated. She gave several unique calls during the cut (8:04.3). During the second cut, you can hear a low amplitude, high-pitched call (prominent around 6:34) — this is a just-out-of-the-nest young that appeared to have just dried off after hatching. Once we saw this little one on the ground we backed off and left and the adult female quieted down. At 12:39.7 the female lunged from a higher branch to a lower branch, heading in our direction, and began to attack a large pine cone. This little one can be heard well here too. Other Behaviors: Emit Distress Calls. Equipment Notes: SD 702 HPF on (80Hz, -12dB/octave). Elevation: 2007 m.

Teknisk informasjon

Opptaker
Sound Devices 702
Mikrofon
Sennheiser MKH 8020
Tilbehør
Roche Parabola 74cm/17.7cm (29.1in/7in)

Arkivinformasjon

Katalogisert
29 Nov 2018 - Wil Hershberger
Digitalisert
4 May 2018 - Martha Fischer

Cornell Lab of Ornithology

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