ML 59364

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Tawny-bellied Screech-Owl -- Megascops watsonii More
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Note

 

 

Natural
Playback Self
 

song

 

Response to playback: Normal song. Response to playback: Different song.  

Paul A Schwartz
22 Apr 1967 at 00:00

    Geography
  • Venezuela
    Locality
  • Rio Grande, km 9.5; 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 # 7 cont.. Bulk reel: 47; Extra cut(s) on bulk reel: 48; Extra cut length: 6:36 B
Weather: Fair. 7:25 PM.
a) Type B song, given naturally. Quality: 3. Level: +10.
b) After playback, bird now sings Type A song. Quality: 3. Level: +10.
Then after more playback, there are now two owls singing, both Type B song. Quality: 3. Level: +10.
As one voice is higher, I assume it's a female. Then male changes to Type A but female continues with Type B.
Then less insect and frog background noise. Then male also switches back to Type B. Quality: 2-3. Level: +10.
c) Cloudy. 11:30 PM & 12:30 AM. Now much quieter background. The presumed male sings Type A song. Quality: 2 to 1-2. Level: +5.
The presumed female isn't heard again.
Then recorded slightly off-focus. Quality: 1-2. Level: +5.

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