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Cross-cultural and cross-ecotype production of a killer whale 'excitement' call suggests universalityNicola Rehn
Biocenter Grindel, University of Hamburg, Martin Luther King Platz 3, 20146, Hamburg, Germany
Naturwissenschaften 98:1-6. 2011..We argue that such universality is more consistent with an innate vocalisation than one acquired through social learning and may be linked to its apparent function of motivational expression...
