ML 59033

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Laughing Falcon -- Herpetotheres cachinnans More
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Paul A Schwartz
19 May 1964 at 00:00

    Geography
  • Venezuela
    Barinas
    Locality
  • Isla Ruende; Hato Corozal
    Latitude/Longitude
  • 8.2   -69.93
    Elevation
  • 100 meters
    Channels
  • Mono
    Sampling Rate
    Bit Depth
    Recorders
  • NAGRA III
    Microphones
    Accessories
    Equipment Note

NOTES: Neotropical Institute Cut # 5. Bulk reel: 18
When I recorded this, I had no reason to think this to be anything but the Laughing Falcon. The evening before I had brought the bird in close by playback and recorded Cut #9. It seemed logical that in the morning it should still be around due to the experience of the evening before. (Cut 10 made more or less at same tree.) And the quality of the voice certainly corresponds.
However, as a result of June work in Guarico, as I now edit (14/7/1964), this cut would seem to be of Micrastur semitorquatus. In any case there is now considerable doubt about the identification of this cut as well as of Cuts 4, 5, 7, 8, (and 3?).
But note further that this cut (saved only for the record) seems to be unquestionably of the Laughing Falcon (anyway, I saw the bird) and was recorded in almost the same spot as the previous cut and only ~ 30 min. later. Also, the Laughing [Falcon] again returned that evening, Cut #12.
29/7/64: After critical listen to all material I believe that Cuts 3 & 8 & 10 are of Micrastur semitorquatus and 4, 5, & 7 are of Micrastur sp. (probably mirandollei).

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