ML 59394

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Tawny-bellied Screech-Owl -- Megascops watsonii More
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Paul A Schwartz
13 Dec 1971 at 19:35

    Geography
  • Brazil
    Amazonas
    Locality
  • Manaus
    Latitude/Longitude
  • -3.1333333   -60.0166667
    Elevation
  • 80 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 # 37. Bulk reel: 52.
203 tape.
Type A song. Bird brought into song by playing field tape. It did not react to Peruvian O. " "usta", only to Venezuelan O. watsonii, esp. the Type B song. Quality: 2-3. Level: 0.
More of same, after playback of its own song. Quality: 2. Level: 0.
Vocal reaction to playing field tape, type B. Quality: 2. Level: 0.
Notes: a) Bird responded to original playback of field tape as follows:
1) usta - no apparent reaction
2) watsonii type A - sang Type A, but app. remained at a distance
3) watsonii type B - "came in like a shot" but then retired to some distance and sang type A.
b) Later playing of field tape type B song: bird came in very close and sang some type B (not recorded), but then moved farther away and resumed type A. However, further playback of type B brought more type B song, two phrases of which I succeeded in recording.
Two Type B phrases eventually recorded.

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