ML 51157

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Empidonax sp. -- Empidonax sp. More
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Age/Sex
Identify by
Solicitation
Behavior
Note

2 Adult  

Sound

 

Natural
 

call

forage

perform visual display

 

 

Kevin J Colver
23 Jul 1990 at 05:49

    Geography
  • United States
    Utah
    Utah County
    Locality
  • 1.0 km S of Elk Ridge
    Latitude/Longitude
  • 40.0   -111.75
    Elevation
  • 1500 meters
    Habitats
  • Forest
  • Deciduous Forest
    Features
  • Canyon
    Channels
  • Mono
    Sampling Rate
    Bit Depth
    Recorders
  • SONY TCD-D10
    Microphones
  • Sennheiser ME 20
    Accessories
  • Roche Parabola 60cm/14.5cm (23.6in/5.7in)
    Equipment Note

NOTES: (RRN#:90-28-01-17,21,28; How Identified: sight?, sound; Cut#: 1-17,21; Species Sound: infrequent; Breeding Status: territorial, breeding; Sound Delivery Rate: low; General Climate: cyclic wet-dry; Cover Density: medium; Filtering: yes) *-*** Cut 28 on 7/27/90 10:18am. Filter III on. The vibrating trill was made as a threat toward neighboring birds and was done while the bird bent forward and vibrated the wings out slightly from the sides. My visual ID was poor, a computer analysis to confirm the species is in order. *Part A = 11:26. Part B = 3:50,

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