ML 59630

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Crested Owl -- Lophostrix cristata More
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Natural
Playback Self
Same Species
 

song

 

Response to playback: Approach.  

Paul A Schwartz
6 Jul 1968 at 23:30

    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 # 9. Bulk reel: 56.
Cloudy, fair, moon. Prob. 139 tape.
Bird was singing at some distance and was brought closer by playback of the field tape. Quality: 2. Level: +5.
Now closer to the bird. Quality: 1-2. Level: +5; 1, +3.
Then, after playback of its own song. Quality: 1. Level: +3.
Then, with experiments for change of focus to determine parabola effect. Quality: 1. Level: +3. (~ 20¡ "off-focus" sounds the most "natural.")
Note: App. the very last recordings sounded the most natural of all to me.

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