ML 59649

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Amazonian Pygmy-Owl -- Glaucidium hardyi More
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Response to playback: No response.  

Paul A Schwartz
4 Jul 1966 at 23:25

    Geography
  • Venezuela
    Locality
  • Rio Grande; km 10.5; El Palmar
    Latitude/Longitude
  • 7.9666667   -61.8833333
    Elevation
  • 250 meters
    Channels
  • Mono
    Sampling Rate
    Bit Depth
    Recorders
  • NAGRA III
    Microphones
  • Electro-Voice 650
    Accessories
  • Parabola 91.4cm (36in)
    Equipment Note

NOTES: Neotropical Institute Cut # 1. Bulk reel: 59
Weather: Cloudy fair; moon. This is natural song given spontaneously. It's possible it could be Otus [illegible and line drawn through species name] but I doubt it. Quality: 2. Level: +5.
Then, I moved a bit closer. Quality: 1-2; Level: +5
Note 28/IV/67 at Rio Grande a bird singing the same song was collected = male #5727.
Then I moved still closer and voice re the bird's position. [sic]
Playback brought no reaction that I could detect, except perhaps that the bird flew much farther away. Note: 28/IV/67 @ Rio Grand a bird singing the "same' song was collected = male #5727.
Note re Cut 1). Early in the evening (ca 7:00PM), an Otus _____ started to sing ca 100 further back the ravine and in the mid-story, i.e. well within the vegetation. I went there w/ the field tape and called the bird to me but it was probably 8:00 to 8:30PM before I was able to see the bird and then collect it.
After that I made no further playback.
About 11:15PM, (I was sleeping on top of the car) I awoke to hear the present song and as soon as I could get the equipment ready, I started to record it.
There is some possibility this could be the mate of the bird collected but I rather doubt it. This bird was apparently in the top of one of the tallest trees in the ravine, not a customary place for O. ________. Also the song is different from anything so far recorded for that [O. _____]. I note a great similarity between this song and one of those I recorded of O albogularis in the Andes. I suspect this owl may be O. watsoni.
April [blank],1967 - Bird collected and found to be Glaucidium minutissimum
LNS: Species changed from Glaucidium minutissimum to G. hardyi to reflect current taxonomy of the G. minutissimum complex (see Howell and Robbins 1995). -Matt Medler, 27 Jan 2010.

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