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Nat Ecol Evol. 2019 May 27. doi: 10.1038/s41559-019-0903-5. [Epub ahead of print]

Conserved alarm calls but rapid auditory learning in monkey responses to novel flying objects.

Author information

1
Cognitive Ethology Laboratory, German Primate Center, Göttingen, Germany.
2
Cognitive Ethology Laboratory, German Primate Center, Göttingen, Germany. jfischer@dpz.eu.
3
Department for Primate Cognition, Georg-August-University Göttingen, Göttingen, Germany. jfischer@dpz.eu.
4
Leibniz ScienceCampus Primate Cognition, Göttingen, Germany. jfischer@dpz.eu.

Abstract

To evaluate the flexibility in vocal production and comprehension in a non-human primate, we presented a drone to West African green monkeys, Chlorocebus sabaeus. Calls given in response to the drone were clearly distinct from those given to other predators, but highly similar to the aerial alarm calls of the East African vervet monkey, Chlorocebus pygerythrus, suggesting that call structure is conserved. To probe how rapidly the animals attached meaning to the sound of the drone, we played back the drone sound after one to three exposures. Subjects immediately scanned the sky and ran for cover. In contrast to vocal production, comprehension learning was rapid and open-ended.

PMID:
31133723
DOI:
10.1038/s41559-019-0903-5

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