ML 59111

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Barred Forest-Falcon -- Micrastur ruficollis More
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Age/Sex
Identification
Solicitation
Behavior
Note

 

 

Natural
 

song

dawn song

 

 

Paul A Schwartz
9 Jan 1968 at 00:00

    Geography
  • Venezuela
    Locality
  • Río Caura; Caño La Urbana; main camp
    Latitude/Longitude
  • 7.6333333   -64.8833333
    Elevation
  • 30 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 # 27. Bulk reel: 29; Extra cut length: 6:00
Natural one-note song (male?); in background can be heard another bird in dawn song. Quality: 2. Level: +10.Then natural dawn song, same bird that was giving the one-note song; other bird still heard in background. Quality: 2. Level: +10.Then another sound is heard which I subsequently found also comes from this species but a still different individual, closer to me. This is the first and only time I've ever heard this sound.Recording now with parabola focused on this new type sound; then original bird is still heard in dawn song in background. Quality: 1. Level: +10, +5.This bird then gives "dawn song" (perhaps after playback) and from tone sounds like a female. Quality: 1. Level: +3.Then while I changed reels, the bird changed back to the strange, new vocalization again. Quality: 1. Level: +5.

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