ML 66535

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Sulphury Flycatcher -- Tyrannopsis sulphurea More
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Age/Sex
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Behavior
Note

1 Adult Female
1 Adult Male  

 

Natural
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call

 

 

Blackish-gray Antshrike -- Thamnophilus nigrocinereus

Paul A Schwartz
29 Jan 1972 at 09:00

    Geography
  • Venezuela
    Amazonas
    Locality
  • Rio Negro, Frente Isla Cigarron ~10km S of San Carlos
    Latitude/Longitude
  • 1.75   -67.0
    Elevation
  • 100 meters
    Channels
  • Mono
    Sampling Rate
    Bit Depth
    Recorders
  • NAGRA UNSPECIFIED IV
    Microphones
  • Sennheiser MKH 405
    Accessories
  • Parabola 61cm (24in)
    Equipment Note

NOTES: Tyrannopsis sulphurea. Neotropical Institute Cut # 1. Bulk reel: 302; Extra cut length: 11:06
203 tape
[Recorded at 5 separate times over 2 consecutive days.]
"a) Weather: cloudy. NOTES: Natural vocalizations - ("scattered" calls) (See over)[I did not find notes on a separate data page.mf] (cf. Cut 2 of Chelidoptera tenebrosa [LNS 69340] for vocalizations that might possibly be of this flycatcher but are prob. of the swallow-wing]. Length cut: 1:39; Quality: 1-2; Level: 0; Tape speed: 3.75". b) 29/I/72, 5:10pm. Weather: fair. Natural vocalizations. Length cut: 2:12 and 4:46; Quality: 1-2 and 1-2; Level: 0 and +3; Tape speed: 3.75" and 7.5". (The "mewing" calls in b.g. are prob. of Thamnophilus nigrocinereus) Spacer [Indicates break between part b) and the next part c).] c) 30/I/72, 8:05AM. Weather: cloudy. Natural vocalizations. Length cut: 4:30; Quality: 1 and "1"; Level: 0,+3; Tape speed: 7.5". d) [same day, weather] 9:10AM. ditto [Natural vocalizations]. Much "chattering talk" at beginning. Length cut: 2:59 and 0:57. Quality: 1-2, and "1"; Level: 0; Tape speed: 3.75 and 7.5. Cont'd now after some playback. Some of this approximates "dawn song" type of phrasing. Length: 2:01; Quality: 1; Level: -3. Eventually collected: male #7941 and female #7942." PAS

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