ML 71945

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Lined Seedeater -- Sporophila lineola More
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Plumbeous Seedeater -- Sporophila plumbea

Paul A Schwartz
27 Jan 1974 at 00:00

    Geography
  • Venezuela
    Aragua
    Locality
  • Estacion Biologica Rancho Grande
    Latitude/Longitude
  • 10.3666667   -67.6833333
    Channels
  • Mono
    Sampling Rate
    Bit Depth
    Recorders
  • NAGRA UNSPECIFIED MODEL
    Microphones
    Accessories
    Equipment Note

NOTES: Neotropical Institute Cut #13. Bulk reel #527
EBRG captive birds.
a) 7:30 AM. Song by R. yellow (prob.) Note that R. yellow sings mostly an "alternate" song (or the last part of its "complex" song) and only occasionally gives a hint of the "regular" pattern (i.e. the noted part of its "complex" song and the apparent "simple" song). Quality: "2". level: +2. 139 tape. Std. 7.5 ips. Nagra III recorder; EV 650 microphone; 36" parabola.
b) 9:30 AM. Song by R. yellow. Quality: "2." Level: 0. 139 tape. Std. 7.5 ips. Nagra III recorder; EV 650 microphone; 36" parabola.
c) 10:50 AM. Song by R. yellow. Quality: "2." Level: +4. 7.5 ips. 203 tape. LN. Nagra IV recorder; Sennheiser 405 microphone; no parabola.
d) 11:15 AM. Song by L. orange. Quality: 2. Level: +3. 3.75 ips. 203 tape. LN. Quality: "2." Level: +3. 7.5 ips. 203 tape. LN.
e) 11:30 AM. Song by R. yellow; L. orange heard in background. Quality: "1." Level: 0. Nagra III; EV 650; 36" parabola. 139 tape. Std. 7.5 ips.
In last part S. plumbea is also heard in background.
General note: Between 31 Dec 1973 and 20 Jan 1974 the birds (all three) sang very actively, even more than during the previous period, even including much song in the afternoons. This song is generally loud and no longer seems like "self song" (sub song).
From 20 Jan to 23 Jan there has been less song, especially by R. yellow. This may be due to the weather, for the days have been cold and windy, although clear, and the nights stormy.

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