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Comparing census methods for the endangered Kirtland's Warbler

J. R. Probst, Auteur ; D. M. Donner, Auteur ; M. Worland, Auteur ; J. Weinrich, Auteur ; P. Huber, Auteur ; K. R. Ennis, Auteur

Dans Journal of Field Ornithology (76(1) WIN 2005)

We compared transect counts used for the annual official count of male Kirtland's Warblers (Dendroica kirtlandii) to an observation-based mapping method of individually sighted males in 155 stands over 10 yrs. The annual census count almost trip[...]

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