ML 39850

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Tundra Swan (Whistling) -- Cygnus columbianus columbianus More
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Age/Sex
Identification
Solicitation
Behavior
Note

 

100%

Sight and Sound

 

Natural
 

call

mechanical sound

establish flock contact

forage

 

 

William V Ward
Jean P Ward
22 Feb 1985 at 10:10

    Geography
  • United States
    California
    Siskiyou County
    Locality
  • 5.0 km S of Tule Lake; Lower Klamath & Tule Lake NWLR
    Latitude/Longitude
  • 41.8666667   -121.5166667
    Elevation
  • 1304 meters
    Habitats
  • Wetland
  • Lake
  • Freshwater
    Channels
  • Mono
    Sampling Rate
    Bit Depth
    Recorders
  • SONY TC-D5M
    Microphones
    Accessories
  • Parabola 45cm/11.25cm (17.7in/4.4in)
    Equipment Note

NOTES: (Age/Sex: 200 Adult male and female; Breeding Status: Not Breeding; Sound Delivery Rate: High; General Climate: Wet; Format: 1/2 TRK MONO; Noise Reduction: Dolby B 1C; Bias: metallic; Equalization Type IV,70US; Copy Recorder: NAK CR7A-Studer)
To -12db.
Mr. Robert Fields, Mgr Klamath Basin WL Refuges estimated from aerial surveys that there were 19,000 swans here today. First two recordings made at 10:10am and 10:45am at Klamath NWL Refuge, and the third at Tule Lake NWLR about noon. All birds were in icy water with the major portions frozen.

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