ML 61904

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Black-crowned Antshrike -- Thamnophilus atrinucha More
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Age/Sex
Identification
Solicitation
Behavior
Note

 

 

Natural
Playback Self
 

call

 

Sound stimulation was (other): playback own calls.  

Paul A Schwartz
15 Aug 1970 at 07:00

    Geography
  • Venezuela
    Zulia
    Locality
  • near Rio Catatumbo; Rte. 6
    Latitude/Longitude
  • 9.35   -71.75
    Elevation
  • 30 meters
    Channels
  • Mono
    Sampling Rate
    Bit Depth
    Recorders
  • NAGRA UNSPECIFIED IV
    Microphones
  • Sennheiser MKH 405
    Accessories
  • Parabola 91.4cm (36in)
    Equipment Note

NOTES: LNS Note: Changes made in gain levels where human voice and bird voc. were together did not result in an interuption of timing (MJA).
Neotropical Institute Cut # 7. (prob. subcinereus); Bulk reel: 114.
203 tape.
a) Call notes, given naturally. Quality: 2, 1-2. Level: +3.
b) Calls, after playback of a). Quality: 2 to 1. Level: +3.
Then after more playback: calls with a "whiney" quality. Quality: 1-2. Level: +3.
Identified by Isler, Isler, and Whitney as T. atrinucha as part of their study on species limits in the T. punctatus complex (see Isler et al. 1997). The "How Identified" and "Confidence in Identification" values pertain to the recordist's original identification. -Matt Medler, 16 December 2009.

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