Northern Harrier

Circus hudsonius

ML130867


©
Michael Andersen
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Dalton Highway: near Sagawam Bluffs
North Slope, Alaska, United States
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Latitude and Longitude 69.4002, -148.7294 Map

Age and Sex
Adult Female – 1
Adult Male – 1
Sounds
Call
Behaviors
Flying
Breeding
Tags
;
Playback
Unspecified

Comments

NOTES: Recorded simultaneously by Gerrit Vyn using 30"Roche parabola with MKH20. I used the filter on the Telinga Pro 5W stereo parabola from the beginning until 14:20. After the break at 14:20, I turned the filter off. This is easily visible on the waveform. First female vocalizations start at 28:43. They are high-pitched and more staccato than the male vocalizations. Sound stimulation was (other): Human approach to nest.. Other Behaviors: Mob, Scold. Habitat: Tundra, Arctic Tundra, Creek.

Technical Information

Recorder
Sound Devices 744T
Microphone
Accessories
Telinga Parabola 54.7cm/15.5cm (21.5in/6.1in)

Archival Information

Cataloged
5 Jan 2007 by Michael Andersen
Digitized
3 Jan 2007 by Michael Andersen
Edited
5 Jan 2007 by Michael Andersen

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