ML 62060

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White-bellied Antbird -- Myrmeciza longipes More
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Natural
Playback Self
 

song

 

Response to playback: Approach.  

Flavescent Warbler -- Myiothlypis flaveola
Black-faced Antthrush -- Formicarius analis
Bearded Bellbird -- Procnias averano
Rufous-breasted Wren -- Pheugopedius rutilus

Paul A Schwartz
11 May 1967 at 00:00

    Geography
  • Venezuela
    Aragua
    Locality
  • Rancho Grande Km. 36+
    Latitude/Longitude
  • 10.3666667   -67.6833333
    Elevation
  • 450 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 # 9. Bulk reel: 125
"Weather: cloudy, fair.
a) 6:45 AM. Natural song. (In background are Thryothorus rutilus, Basileuterus flaveolus, Formicarius analis, Procnias averano.) Quality: 1. Level: +5; Quality: 1. Level: -2. Tape speed: 7.5 and 15".
b) 7:05AM. After playback, bird *close*, gain way down. Then gain lowered to -25. Then gain lowered to -22.5. Quality: 1. Level: -5, 0. Tape speed: 15". Then recorded " off-focus"; then raised gain. Quality: 1. Level: +5, 0. Tape speed: 15".
c) Some time after more playback. Quality: 1. Level: 0. Tape speed: 7.5.
Then go "off-focus"; then raise gain. Quality: 1. Level: +10.
Then back "on-focus" again and lower gain. Quality: 1. Level: +5. 15" & 7.5."
LNS Note: Gain lowered for handling noise without change to song interval - JN

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