ML 59100

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Barred Forest-Falcon -- Micrastur ruficollis More
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Natural
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song

 

 

Paul A Schwartz
22 Nov 1966 at 06:15

    Geography
  • Venezuela
    Aragua
    Locality
  • Rancho Grande; km 35
    Latitude/Longitude
  • 10.3666667   -67.6833333
    Elevation
  • 500 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 # 16. Bulk reel: 27Weather: Fair, after rain all night.a) This is probably the same bird as Cuts 14 and 15. It started singing with the one-note repeated normal song. (A second bird is heard faintly in the background, probably the same as the other day, too. It had a higher voice.) Quality: 2. Level: +10.After a long while this bird interspersed a couple two-note phrases, then went on into three-note and longer phrases to a dawn song. (Although the recording is broken before this starts, it had been continuous song by the bird with no playback by me. I had swung the reflector in a different direction and then got it back again only approximately. Both this faint recording and probably the bird's song were interrupted by the passage of a noisy carb) After playback. I think this is the same bird prominent in a) but there is a slight possibility it could be the other bird heard far in background of a). Quality: 1-2. Level: +2.This bird was then collected = adult plumaged female with ovaries just coming into breeding condition. Skull completely ossified. #[blank]

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