ML 71566

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Tocuyo Sparrow -- Arremonops tocuyensis More
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Response to playback: Approach. Response to playback: Normal song. Response to playback: Different song.  

Black-faced Grassquit -- Tiaris bicolor

Paul A Schwartz
23 May 1974 at 00:00

    Geography
  • Venezuela
    Zulia
    Locality
  • 15.0 km SW of Guarero; Camp #2
    Latitude/Longitude
  • 11.37   -72.07
    Elevation
  • 100 meters
    Channels
  • Mono
    Sampling Rate
    Bit Depth
    Recorders
  • NAGRA UNSPECIFIED MODEL
    Microphones
    Accessories
    Equipment Note

NOTES: Neotropical Institute Cut #2. Bulk reel #508
7:30 AM. One song phrase, given naturally; bird was singing only sporadically at this time as it moved about foraging. I was not in this spot earlier, being in vicinity of camp hoping to record Soisola [Crypturellus erythropus]; this spot ~500 W of camp) [sic]. Quality: 2-. Level: +3. 7.5 ips. LN. 203 tape. Nagra SN recorder; AKG microphone; no parabola. Re-recorded N-4.2 to N-IV.
8:40 AM. The above song phrase was copied to N-IV and played back and very shortly the bird came in, flew actively about and began singing profusely. (Bird silent for ~ 30 min.) Bird collected. Quality: 1-2. Level: +3. Nagra IV recorder; Sennheiser 405 microphone; 36" parabola. 7.5 ips. LN. 203 tape.
~9:10 AM - 9:40 AM. Now after playback of its (preceding) recorded song. There are numerous different phrase patterns used; playback was used from time to time to keep bird active but final section was ~ 10 min. after any playback. Quality: 2 to 1. Level: +3. 7.5 ips. LN. 203 tape.
~10:00 AM to 10:30 AM. No further playback. Quality: 1-2 & 1. Level: +3, 0. 3.75 ips.
One song phrase and some calls of Tiaris bicolor in after more playback. Quality: 2. Level: -3. 7.5 ips. LN.
Collected = male; skeleton (skull) #[blank] & round skin.

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