ML 63310

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Streaked Saltator -- Saltator striatipectus More
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Natural
Playback Self
 

song

 

 

Paul A Schwartz
10 Jun 1973 at 00:00

    Geography
  • Venezuela
    Aragua
    Locality
  • road to Turiamo; inland side
    Latitude/Longitude
  • 10.45   -67.85
    Elevation
  • 190 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 # 27. Bulk reel: 171
a) Time: 6:00 AM. Weather: Clear. Natural song. (~ 5-figure dawn song.) Quality: 2. Level: 0.
(I tried playing back this recording but I got no reaction.) 203 tape. 3.75 ips. LN.
b) Probably same bird, later. Quality: 1. Level: 0.
Some 15' previous, this bird sang, but not steadily. I played some recording of S. coerulescens from Venezuela; this species is not found in the immediate area. Some 10' later, the S. albicollis began to sing more steadily. Whether this was a natural event, or whether an indirect reaction after hearing song of its group, I don't know. The bird did not obviously react when I played the S. coerulescens song.
Further notes re: playback experience: When the bird stopped singing, I played again S. coerulescens from Brazil, then do. from Venezuela, then do. from Brazil again. The bird did not react to any of this, nor did it sing again. After ~ 5' delay I played the entire field loop tape (~ 3') previously prepared with song by Brazilian S. similis. The local bird very quickly began to sing again in +/- the same place where it was when I recorded it but had stopped singing before the 3' loop finished and did not sing again for the next 10 minutes. I then started to play again the S. similis type and one bird immediately flew in overhead, then the pair began flying back and forth; they did not sing but gave their flight calls rather excitedly as they flew back and forth. They did not come right down to me; rather, their reaction was essentially like that of birds of Cut 26.
After 5-10 delay [sic], I played Roche's Martinique recording of nominate S. albicollis and there was absolutely no reaction of any kind.
Then played S. albicollis from Merida, long- and short-phrase songs. The birds began singing in the trees above me in apparent reaction, although did not fly back and forth. Then played back song types from the Caracas region: birds reacted by singing, but little flying back and forth, and continued singing in spurts for some time afterward.
8:30 AM. Then played S. atricapillus (Brazil), S. atriceps (Mexico), and S. coerulescens (Mexico): no reaction to these. Then tried S. similis again: birds began singing regularly but not flying around. Then again tried S. albicollis from Martinique, no reaction; then from Merida and there was definite reaction to both long and short song, with the birds flying back and forth.
8:55 AM. After a delay, again tried albicollis Martinique: no reaction. Then again Merida "long" brought a reaction, followed by Merida "short" which brought even more reaction. Bird sang continuously and for > 10' after playback stopped (recorded some in part c).
At 9:20 AM, some time after bird had stopped singing, I again played S. similis; this time it brought no reaction. 203 tape. 7.5 ips. LN.
c) 9:00 AM. Song after various playbacks (see above). The persistent song resulted from playback of the Merida S. albicollis song. Quality: 1. Level: +2. Quality: 1. Level: +2 7.5 ips. 203 tape LN. and Quality: 1. Level: 0. 3.75 ips. 203 tape. LN.

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