ML 63693

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Crested Guan -- Penelope purpurascens More
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call

mechanical sound

 

Sound stimulation was (other): playback of display. Response to playback: No response.  

Paul A Schwartz
15 Jul 1968 at 05:30

    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: 205. On site @5:20 AM. The first sign of activity was a display @~5:32, bird on west ridge near A (not saved as I was pointed in wrong direction) but slightly to north ~3' later (~5:35AM) a bird flew from ~B of to ~A, but this time actually to spot ~100m north of A and therefore to ~where the display had been. Quality: 1-2. Level: +12. ~1' after that a bird displayed, started from near A, planing, displayed, then planed and finally flew over to somewhere near B. (One soft call is also heard, perhaps by the female.) Quality: 1-2. Level: +12. Then ~5' later the bird gave another display (getting closer to the line of focus in the process), back across the ravine again. (Slight car noise.) This time more calling by the other bird, from near A and presumably the female. Quality: 2. Level: +12. This display occurred some time after I had played twice the previous display. But then I played this last display three times and there was no apparent reaction. Then after ~10' I played back the field tape of display repeatedly and got no apparent reaction up to ~6:10AM.

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