ML 4138

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Black Vulture -- Coragyps atratus More
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Lesser Violetear -- Colibri cyanotus
Cinnamon-bellied Flowerpiercer -- Diglossa baritula

Walter A Thurber
13 Nov 1971 at 14:00

    Geography
  • El Salvador
    Locality
  • SANTA ANA; CERRO VERDE
    Latitude/Longitude
  • 13.8333333   -89.6333333
    Elevation
  • 2000 meters
    Habitats
  • Montane Grassland
    Channels
  • Mono
    Sampling Rate
    Bit Depth
    Recorders
  • UHER 4000
    Microphones
    Accessories
  • Parabola 45.7cm (18in)
    Equipment Note

NOTES: Weather: WIND; AEOLIAN HARP EFFECT OF WIND THROUGH FLIGHT FEATHERS. POSSIBLY FOR SPORT? THREE VULTURES WERE OBSERVED DIVING DOWN TO THE MOUNTAIN TOP (THERE WERE OTHERS SOARING BUT NOT DIVING). THE BIRDS WOULD ASCEND TO A GREAT HEIGHT WHERE THEY WERE LITTLE M Sex: 3 UNKNOWNORE THAN MERE DOTS, POSSIBLY AS MUCH AS 500M ABOVE ME. THEY WOULD THEN DIVE RAPIDLY, ONE AFTER THE OTHER, UNTIL POSSIBLY 50M ABOVE THE TREE TOPS, AFTER WHICH THEY WOULD PULL OUT AND SOAR UPWARD AGAIN ON THE STRONG WIND. AFTER SEVERAL DIVES OVER CERRO VER

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