ML 67473

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Yellow-bellied Seedeater -- Sporophila nigricollis More
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call

song

emit alarm

 

Sound stimulation was (other): recordist near nest. Response to playback: Different song.  

Paul A Schwartz
Oct 1974 at 00:00

    Geography
  • Venezuela
    Aragua
    Locality
  • Rancho Grande; km 11
    Latitude/Longitude
  • 10.3666667   -67.6833333
    Elevation
  • 675 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 # 45. Bulk reel: 359
Weather: Cloudy fair, slight drizzle.
a) 22 Oct 1974. 11:50 AM. Alarm calls by male because I was near his nest (Nest #74-3) (young in nest); also excited song when I went to and touched the nest. Quality: 1-2. Level: +3.
Under conditions of stress the male will often sing very excitedly. My reaching into a nest, especially if I remove a young, or if I pick up a recently fledged young, causes the male frequently to fly around me excitedly singing; other times he will sing so from a perch, for similar reasons, if he is timid or if he's somewhat habituated. The last was the case when I tried to record this reaction in part a). In part b I had not yet performed the nest control lbut had climbed up to the nest once to be sure the young were still in it; his reaction was thus somewhat stronger when I subsequently recorded, although still not as excited silnging as I've sometimes experienced.
This excited song seems rather similar to the song of a song-flight, which is different from the advertising song of a perched bird. Quality: 1-2. Level: +3. 203 tape. LN.
b) 24 Oct 1974. 11:50 AM. Weather: Cloudy, fair. More of same. Quality: 1-2. Level: +3. LN.

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