ML 59078

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Slaty-backed Forest-Falcon -- Micrastur mirandollei More
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Paul A Schwartz
27 May 1967 at 00:00

    Geography
  • Venezuela
    Locality
  • Rio Grande; km 10; El Palmar
    Latitude/Longitude
  • 7.9666667   -61.8833333
    Elevation
  • 250 meters
    Channels
  • Mono
    Sampling Rate
    Bit Depth
    Recorders
  • NAGRA III
    Microphones
  • Electro-Voice 650
    Accessories
  • Parabola 91.4cm (36in)
    Equipment Note

NOTES: Neotropical Institute Cut # 15. Bulk reel: 24; Extra cut(s) on bulk reel: 25; Extra cut length: 5:00 part Ba) 3:50 AM. Weather: Fair; moon. Kept for record as indication that this species often sings during moonlit nights, especially in the early morning period ~1-2 hours before their normal dawn session. Quality: 3. Level: +10.This is the lower-voiced of two birds (perhaps a pair) that were often in this general area.b) ~5:05 AM start. Same area, later, birds had been singing again for 5' or more. Note there are at least two birds singing more distantly, then still another with a still lower voice, somewhat closer. Quality: 3. Level: +14.Recording ends with last song given by the last mentioned bird.10 Nov 1967. Bolivar; Upata; Sta. Maria. 250 m. elevation. A field note re: M. mirandollei, M. ruficollis, the weather conditions, and their possible effect on other birds in the area. 3.75 ips.

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