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3.
J Ethol ; 29(1): 187-189, 2011 Jan.
Artículo en Inglés | MEDLINE | ID: mdl-23280047

RESUMEN

The present case report provides a description of the emergence of an innovative, highly beneficial for- aging behavior in a single rhesus monkey (Macaca mulatta) on the island of Cayo Santiago, Puerto Rico. Selectively choosing the island's cement dock and nearby surrounding rocky terrain, our focal subject (ID: 84 J) opens coconuts using two types of underhand tosses: (1) a rolling motion to move it, and (2) a throwing motion up in the air to crack the shell. We discuss this innovative behavior in light of species-specific behavioral propensities.

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