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Notch factor: A technique for separating Marsh Warblers Acrocephalus palustris from Reed Warblers A. scirpaceus on spring migration

David Kelly, Auteur ; Nigel Cleere, Auteur ; Charles W. T. Pilcher, Auteur

Dans Ringing & Migration (20(4) November, 2001)

Using measurements which are regularly collected on Reed Acrocephalus scirpaceus and Marsh Warblers Acrocephalus palustris, a new method was tested which appears to give better separation than the currently available biometric techniques. The le[...]

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