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    AVIAN SPECIATION IN THE PANTEPUI: THE CASE OF THE RORAIMAN ANTBIRD (PERCNOSTOLA [SCHISTOCICHLA] ‘‘LEUCOSTIGMA’’ SATURATA)

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    Issue Date
    2005-05
    Author
    Braun, Michael J.
    Isler, Morton L.
    Isler, Phyllis R.
    Bates, John M.
    Robbins, Mark B.
    Publisher
    Central Ornithology Publication Office
    Type
    Article
    Article Version
    Scholarly/refereed, publisher version
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    Abstract
    We document the first records for Guyana of Roraiman Antbird (Percnostola [Schistocichla] “leucostigma” saturata), an endemic of the tepui highlands of southeastern Venezuela, northern Brazil and western Guyana. This form is well differentiated from nominate leucostigma (Spot-winged Antbird) of the Guianan lowlands in morphology, vocalizations, and genetics, and replaces it both altitudinally and ecologically. The two taxa are distributed parapatrically on the continuously forested northeastern slopes of the eastern tepuis, and they almost certainly come into contact, yet there is no evidence of intermediacy. We recommend that saturata be treated as a distinct species of Percnostola, and consider its' origin in the light of various models of speciation in the tepuis.
    Description
    This is the published version. Copyright Central Ornithology Publication Office
    URI
    http://hdl.handle.net/1808/19238
    DOI
    https://doi.org/10.1650/7647
    Collections
    • Biodiversity Institute & Natural History Museum Scholarly Works [299]
    Citation
    Braun, Michael J., Morton L. Isler, Phyllis R. Isler, John M. Bates, and Mark B. Robbins. "Avian Speciation In The Pantepui: The Case Of The Roraiman Antbird (Percnostola [Schistocichla] “Leucostigma” Saturata)." The Condor Condor 107.2 (2005): 327. DOI:10.1650/7647

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    KU Libraries
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    KU Libraries
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    Lawrence, KS 66045
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    Contact KU ScholarWorks
    785-864-8983
    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    785-864-8983

    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    Image Credits
     

     

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