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1 June 2011 Harpy Eagle-Primate Interactions in the Central Amazon
Bryan Bernard Lenz, Alaercio Marajó dos Reis
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We describe the successful predation of a black-bearded saki monkey (Chiropotes satanas chiropotes) by a Harpy Eagle (Harpia harpyja) in the Brazilian Amazon and briefly recap two past Harpy Eagle-primate predation interactions. The physiological limitations that raptor anatomy places on individuals during predation attempts are considered along with escape behaviors used by primates to exploit these limitations to increase their chances of survival. In particular, we focus on primate flight paths and startle vocalizations.

Bryan Bernard Lenz and Alaercio Marajó dos Reis "Harpy Eagle-Primate Interactions in the Central Amazon," The Wilson Journal of Ornithology 123(2), 404-408, (1 June 2011).
Received: 18 October 2010; Accepted: 1 January 2011; Published: 1 June 2011
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