ML 4434

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Laughing Falcon -- Herpetotheres cachinnans More
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call

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Crested Bobwhite (Spot-bellied) -- Colinus cristatus [leucopogon Group]
Great Kiskadee -- Pitangus sulphuratus
Gray-breasted Martin -- Progne chalybea

Walter A Thurber
30 Aug 1971 at 08:00

    Geography
  • El Salvador
    Locality
  • 5.0 km S of La Union; Route Ca2
    Latitude/Longitude
  • 13.3   -87.8833333
    Elevation
  • 200 meters
    Channels
  • Mono
    Sampling Rate
    Bit Depth
    Recorders
  • UHER 4000L
    Microphones
    Accessories
  • Parabola 45.7cm (18in)
    Equipment Note

NOTES: ONE FALCON BEGAN TO CALL. A SECOND FLEW TOWARDS IT, UTTERING A RASPING CRY. THIS LAST SETTLED ON A TREE A FEW HUNDRED METERS FROM THE FIRST AND BEGAN A DIFFERENT TYPE OF CALL. THE FIRST FELL SILENT. THE CHANGE IN VOLUME OF THE CALLS NEAR THE E Age: 2 UNKNOWN AGEND WAS CAUSED BY THE FALCON TURNING ITS HEAD. NOTE THE ECHOS FROM THE CLIFF. CULTIVATED FIELDS. SCRUB COVERED HILLS.

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