ML 69607

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Black-hooded Thrush -- Turdus olivater More
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Note

 

 

Natural
 

song

 

 

Common Chlorospingus -- Chlorospingus flavopectus
Andean Solitaire -- Myadestes ralloides

Paul A Schwartz
21 May 1973 at 00:00

    Geography
  • Venezuela
    Aragua
    Locality
  • Rancho Grande; km 21- (new)
    Latitude/Longitude
  • 10.3666667   -67.6833333
    Elevation
  • 1066 meters
    Channels
  • Mono
    Sampling Rate
    Bit Depth
    Recorders
  • NAGRA UNSPECIFIED IV
    Microphones
  • Sennheiser MKH 405
    Accessories
  • Parabola 91.4cm (36in)
    Equipment Note

NOTES: Neotropical Institute Cut # 15. Bulk reel: 431
Weather: Fair. Time: 6:20 to 6:30 AM. Natural song. (Note that when bird faces the recorder, the high frequency elements are louder in proportion to the others.) Also heard Chlorospingus ophthalmicus. Quality: 1. Level: +2. 7.5 ips. 203 tape. LN.
The recording continues @ 15 ips without Chlorospingus ophthalmicus and note that the high frequency elements become still louder in propertion to the other elements in the song. (Better frequence response @ 15 ips? or could there have been some interim playback that caused bird to sing the high frequencies louder? NO: note indicates still natural song! Quality: 1. Level: 0. LN. In this section other birds are heard in background: Myadestes ralloides. (Good recording.) (Then cont. with the recording from the following field tape.)
7:15 AM. Song a long time after playback. Quality: 1. Level: 0. 15 ips. LN.
(This good recording too, esp. after 1:45, but song not quite as good as in the previous part.)
In background is Myadestes ralloides.

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