Technical Comments

Comment on "Ivory-billed Woodpecker (Campephilus principalis) Persists in Continental North America"

Science  17 Mar 2006:
Vol. 311, Issue 5767, pp. 1555
DOI: 10.1126/science.1122778

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Abstract

We reanalyzed video presented as confirmation that an ivory-billed woodpecker (Campephilus principalis) persists in Arkansas (Fitzpatrick et al., Reports, 3 June 2005, p. 1460). None of the features described as diagnostic of the ivory-billed woodpecker eliminate a normal pileated woodpecker (Dryocopus pileatus). Although we support efforts to find and protect ivory-billed woodpeckers, the video evidence does not demonstrate that the species persists in the United States.

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