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White-throated Toucan -- Ramphastos tucanus More
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Channel-billed Toucan -- Ramphastos vitellinus

Paul A Schwartz
Dec 1971 at 00:00

    Geography
  • Brazil
    Amazonas
    Locality
  • Manaus; Reserva Ducke
    Latitude/Longitude
  • -3.1333333   -60.0333333
    Elevation
  • 1545 meters
    Channels
  • Mono
    Sampling Rate
    Bit Depth
    Recorders
  • NAGRA UNSPECIFIED IV
    Microphones
  • Sennheiser MKH 405
    Accessories
  • Parabola 61cm (24in)
    Equipment Note

NOTES: [The following notes are written at the top of the first data sheet for this species: "In view of some doubt about the identification of this group of toucans, the recordings here filed should not be considered as identified beyond all doubt. I notice some differences among the various cuts which may have more significance than merely individual variation. Cuts #6 [sic] [blank space here] would seem almost surely top be of R. tucanus as it was the mosts common song and R. tucanus was the only Ramphastos collected in the area. Unfortunately I was not able to collect any of the birds recorded. 8/26 '65 PAS"
"14/VII/71 PAS I think there is no doubt that all these recordings are of R. tucanus. With my greater experience now, the only form that could be involved other than R. tucanus would be aurantiirostris and I feel quite sure that is only a color variation of R. tucanus. So far I have never been able to find this form and thus believe it to be a very rare variant."
Neotropical Institute Cut # 14. Bulk reel: 253. 203 tape.
Weather: Fair. Tucanus, by book range; but only birds seen have the dark area of the maxilla dark red but that of the mandible black.
a) 13/XII/71. 3:45 PM. Weather: Fair. Natural "song." Quality: 2. Level: +5. 3 3/4.
b) 14/XII/71. 8:00 AM. Weather: Clear. Natural "song." Quality: 2., 1-2. Level: +2. 3 3/ & 7.5.
c) 14/XII/71. 4:45 PM. Weather: Fair. Natural "song." (First phrases at 3 3/4) Quality: 1. Level: +2. 7.5.
d) 14/XII/71. 5:00 PM. Natural "song" (with R. vitellinus). Quality: 1-2. Level: +3. 7.5. (This continues with focus on R. vitellinus in R. vitellinus Cut 13a).

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