ML 59058

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Collared Forest-Falcon -- Micrastur semitorquatus More
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Age/Sex
Identification
Solicitation
Behavior
Note

 

 

Natural
 

song

dawn song

 

 

Paul A Schwartz
Jul 1968 at 00:00

    Geography
  • Venezuela
    Locality
  • Cano La Urbana; main camp; Rio Caura; + 4 km
    Latitude/Longitude
  • 7.6333333   -64.8833333
    Elevation
  • 30 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 # 18. Bulk reel: 23
Weather: Fair.
a) 11 July 1968. 1905 hours. Natural "four-note" song. Quality: 2. Level: +12.
Then natural "dawn song" (= crepuscular song). Quality: 2. Level: +12.
(Then shift into focus, as previous recording was accidental.) Quality: 1-2. Level: +12.
b) 12 July 1968. 1900 hours. Natural "four-note" song, very likely by same bird, next evening. Note that starts with only a "two-note" call and most of later are "five-note" phrases. Quality: 1. Level: +5.
Recording ends when bird stopped song; no "dawn song" this time.
The next morning this bird (presumably) sang "four-note" song of four notes.

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