Aves, p�le ornithologique de Natagora

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Aves, 38/4 | 2001 | 207-209

 
Schmitz, L.

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On June 9th 1996, a singing Wood Warbler copying Coal and Great Tits song parts was identified in the Hertogenwald, eastern Belgium. This was the first case of a Wood Warbler mixed singer imitating non-Phylloscopus species, indicating a flaw in, or even a lack of the visual clue in song learning proposed by HELB et al. (1985) for that genus.