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Ivory-Billed Woodpecker (Campephilus principalis) Persists in Continental North America
John W. Fitzpatrick, Martjan Lammertink, M. David Luneau Jr., Tim W. Gallagher, Bobby R. Harrison, Gene M. Sparling, Kenneth V. Rosenberg, Ronald W. Rohrbaugh, Elliott C. H. Swarthout, Peter H. Wrege, Sara Barker Swarthout, Marc S. Dantzker, Russell A. Charif, Timothy R. Barksdale, J. V. Remsen Jr., Scott D. Simon, Douglas Zollner

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Materials and Methods
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Figs. S1 to S6
Movie S1
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  • Movie S1
    Video footage (at 1/2 speed and 4x magnification) of an ivory-billed woodpecker taken by M. David Luneau Jr. in the Cache River National Wildlife Refuge, Arkansas, on 25 April 2004, as the bird fled from his approaching canoe. Sixty-five consecutive de-interlaced video fields from this video are presented in Fig. S3.