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The double vocal signature of crested penguins: is the identity coding system of rockhopper penguins Eudyptes chrysocome due to phylogeny or ecology?

A. Searby, Auteur ; P. Jouventin, Auteur

Dans Journal of Avian Biology (36(5) SEP 2005)

Parent-offspring recognition systems are used in bird colonies to avoid misdirected parental care. In penguins, where the risk of confusion is particularly high, recognition is achieved by acoustic signals that constitute highly efficient vocal [...]

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