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Australasian Bittern -- Botaurus poiciloptilus More
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Age/Sex
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Behavior
Note

1 Adult Male  

Sound

 

Natural
 

call

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William V Ward
25 Oct 1967 at 00:00

    Geography
  • New Zealand
    Locality
  • AWAROA BAY; ABEL TASMAN NAT. PARK
    Latitude/Longitude
  • -40.8666667   173.0333333
    Elevation
  • 10 meters
    Channels
  • Mono
    Sampling Rate
    Bit Depth
    Recorders
  • MAGNEMITE 610E
    Microphones
  • Altec 688A
    Accessories
  • Parabola 101.6cm/25.4cm (40in/10in)
    Equipment Note

Very low frequency (about 45 Hz) booming "whoomp whoomp" repeated 5-6 times at intervals from 5 minutes to an hour or more in length. Lower in frequency than American Bittern and without its variation, but not as low as the Spruce Grouse. Recorded at 2000, 1230, and 0340 hours from about 30 feet above the swamp.

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