ML 67433

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Yellow-bellied Seedeater -- Sporophila nigricollis

Paul A Schwartz
Aug 1971 at 00:00

    Geography
  • Venezuela
    Latitude/Longitude
  • 6.5   -66.5
    Channels
  • Mono
    Sampling Rate
    Bit Depth
    Recorders
  • NAGRA UNSPECIFIED IV
    Microphones
  • Sennheiser MKH 405
    Accessories
    Equipment Note

NOTES: Neotropical Institute Cut # 1. Bulk reel: 354; Extra cut length: 12:18; Extra cut(s) on bulk reel: 355; Extra cut length: 4:45203 tape.a) 29 Aug 1971. ~8:30 to ~10:15 AM. Two captive, adult males, which had been caught near San Francisco de Asis, Aragua, in the course of this year (probably ~ Feb-March but maybe later) were brought to Rancho Grande where after one day one began to sing. It first sang when it started to rain late in the PM, repeated same next day; thereafter it sang frequently but seemed inspired to sing especially by the noise of a passing vehicle.Bird #1 - Song and calls (motor noise). Quality: 2. Level: 0.Ditto, mostly without motor noise. Quality: 1. Level: 0.Sporophila nigricollis in background in part.Ditto with occasional car noise. Quality: 1 & 2. Level: 0.b) 10:15 AM. 30 Aug 1971. Bird #1. Quality: "2" (car noise). Level: 0. 7.5 ips. 175 tape.c) 30 Aug 1971. Bird #2. Recorded first with the mike in the #1 bird position (therefore #2 is background, but song good). Quality: 1-2. level: +5. 7.5 ips. 203 tape.Mike moved now to #2 position but doesn't sing very much. Bird singing in background is #1.Quality: 1. Level: 0. 7.5 ips. 203 tape.1 Sept 1971. 9:50 AM. Bird #3 (announced) after some playback. Quality: 1 & 2. Level: +5. 7.5 ips. 203 tape.11:30 AM. Weather: Foggy. The recording then changes to 3.75 and is saved as additional record of song of this individual. Quality: 3. Level: 0. 203 tape.Background sound is plant. All these birds sang most with noise of plant, passing vehicles, etc. 2 Sept 1971. 10:30 to 11:15 AM. More of same, natural song, but only sort of "sub-song." Quality: 3. Level: 0. 3.75 ips.Natural song, most normall vol. & development. (Bird #2 or #1 in background.) Quality: 3. Level: 0. 3.75 ips.12:45 PM. A short continuation of foregoing on 175 tape. Quality: 3. Level: 0. 3.75 ips.

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