ML 18745

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Elf Owl -- Micrathene whitneyi More
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Note

 

 

 

song

perform visual display

 

 

James L Gulledge
Michael J Braun
10 May 1977 at 21:30

    Geography
  • United States
    Arizona
    Locality
  • Cave Creek Canyon; Portal; 1 mile W of SWRS
    Habitats
  • Coniferous Forest
  • Deciduous Forest
  • Riparian
    Features
  • Canyon
No locations found with lat/long
    Channels
  • Mono
    Sampling Rate
    Bit Depth
    Recorders
  • NAGRA IV-S
    Microphones
    Accessories
    Equipment Note

NOTES: (General Climate: dry; Cover Density: medium) Probably 2 individuals: one in the foreground that is obviously what was being recorded; and a second in the background giving a measured "wheeer" call, described by Sibley as "soft, high, quiet, whistled meeeow descending." 1 bird seen in beam of flashlight.

(ML Notes: The wheer called referred to above is known as the "Bark" according to the BNA and is described as a single sharp 'cheeur' or 'wheeur'. The BNA describes the vocalization as heard in the foreground of this recording as the Chatter Song (song-type A). Also, beginning at about 3:36, the Chatter Song seems to be continuous, with possibly more notes per second, and may be a variant of the Chatter song, referred to as song B in the BNA. CZ 10/12/03

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