ML 73902

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Clapper Rail -- Rallus crepitans More
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Clapper Rail -- Rallus crepitans

Geoffrey A Keller
27 Apr 1992 at 08:28

    Geography
  • United States
    Florida
    Locality
  • 4.0 km NE of Panacea; St. Marks National Wildlife Refuge
    Elevation
  • 2 meters
    Habitats
  • Salt Marsh
  • Bay/Harbor
  • Brackish Marsh
  • Wetland
No locations found with lat/long
    Channels
  • Mono
    Sampling Rate
    Bit Depth
    Recorders
  • UHER 4200
    Microphones
  • Sennheiser MKH 106T
    Accessories
  • Roche Parabola 74cm/17.7cm (29.1in/7in)
    Equipment Note

NOTES: BNA: Possibly the "Clapper" vocalization heard, which is described as "chock-chock-chock-chock-chock-chock-chock-chock" or a series of "cac-cac-cac" or "jupe-jupe-jupe". CZ 17/02/2004.

[There are three or four series of "Clapper" Calls here (although Figure 3a of BNA appears incorrectly to assign this call to the "kek-hurrah", it is correct in figures 2 and 3a of Massey and Zembal. 1987. Vocalizations of the Light-footed Clapper Rail. J. Field Ornithol. 58: 32-40). The clapper calls here were given by at least two, and quite possibly three, birds (it is unclear to me whether the call in the foreground is a duet). Also heard in the background is the Primary Advertising Call of a male of the species (0:09-0:14). This represents R. l. scottii based on range (following BNA). Quality added (1-2 (fide GFB) - but with a rapid change in "gain" at the beginning of the clapper series that presumably occurred when the recordist shifted the parabola onto the bird) - CAM - 6 April 2005]

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