ML 67594

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Lesser Grass-Finch -- Emberizoides ypiranganus More
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Age/Sex
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Behavior
Note

 

 

Natural
Playback Self
 

song

perform visual display

 

Response to playback: Different song.  

Paul A Schwartz
23 Nov 1971 at 00:00

    Geography
  • Brazil
    Rio Grande do Sul
    Locality
  • near Guacho; near Vacaria
    Elevation
  • 800 meters
No locations found with lat/long
    Channels
  • Mono
    Sampling Rate
    Bit Depth
    Recorders
  • NAGRA UNSPECIFIED IV
    Microphones
  • Sennheiser MKH 405
    Accessories
  • Parabola 61cm (24in)
    Equipment Note

NOTES: Neotropical Institute Cut # 11. Bulk reel: 368a) 1300 hours. Natural song. Bird #2. Quality: 2. Level: +3. 203 tape. 3.75 ips.(The "chek" calls are of the "yellow blackbird"--probably Xanthopsar flavus. Thre are some finer "tsip" calls, identity unknown. Perhaps Myiospiza humeralis or Sicalis luteola.)b) Same bird ~ 10' after playback. Quality: 2. Level: +3. 3.75 ips.Bird's reaction to playback was to give a flight song. Quality: 1-2. Level: +3. 7.5 ips.c) 1:50 PM. SAme bird about one hour later; no further playback, therefore ~ natural song. Quality: 1. Level: +3. 7.5 ips.Now after playback. Quality: 2. Level: +3. 3.75 ips.Still different phrasing; voice notes on tape in 3.75" section. Quality: 3 to 1. Level: +3. 7.5 ips.Same bird a little later with a different song phrasing. Quality: 1 & "2." Level: +3. 7.5 ips. Note re: flight song Cut 11): Vocal part was as in b) with a few other twitters, flying continuously upward on ~30¡ angle; then when vocal part finished the bird dropped straight down.

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