ML 130821

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Cliff Swallow -- Petrochelidon pyrrhonota More
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Age/Sex
Identification
Solicitation
Behavior
Note

 

100%

Sight and Sound

 

Natural
 

call

fly

 

Number of individuals=AU40-50;  

Yellow Warbler -- Setophaga petechia
Fox Sparrow -- Passerella iliaca
American Robin -- Turdus migratorius
White-crowned Sparrow -- Zonotrichia leucophrys

Michael J Andersen
Gerrit Vyn
8 Jun 2006 at 20:00

    Geography
  • United States
    Alaska
    Yukon-Koyukuk County
    Locality
  • Dalton Highway: Kanuti River
    Latitude/Longitude
  • 66.4408167   -150.6309667
    Elevation
  • 385 meters
    Habitats
  • Creek
  • Coniferous Forest
  • Deciduous Forest
    Features
  • Second-growth
  • Scrub
    Channels
  • Stereo
    Sampling Rate
  • 48kHz
    Bit Depth
    Recorders
  • SOUND DEVICES 744T
    Microphones
  • Sennheiser MKH 20
  • Sennheiser MKH 30
    Accessories
    Equipment Note

NOTES: First cuts recorded with MS pair dangling over edge of bridge about 25cm from 10-20 nests. Vocalizations of birds as they dived towards the microphones. With the mics in this position, none of the adults made any successful food deliveries. They were too concerned with the placement of the microphones. Next, we moved the mics onto a tripod and set it back on the bridge to use the bridge road surface as a blind for the babbling water and to make the mics less obtrusive to the swallows. The second placement starts with MJA_104.

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