Monkeys crying wolf? Tufted capuchin monkeys use anti-predator calls to usurp resources from conspecifics.

@article{Wheeler2009MonkeysCW,
  title={Monkeys crying wolf? Tufted capuchin monkeys use anti-predator calls to usurp resources from conspecifics.},
  author={B. Wheeler},
  journal={Proceedings. Biological sciences},
  year={2009},
  volume={276 1669},
  pages={3013-8}
}
The use of 'tactical deception' is argued to have been important in the cognitive evolution of the order Primates, but systematic studies of active deception in wild non-human primates are scant. This study tests whether wild tufted capuchin monkeys (Cebus apella nigritus) use alarm calls in a functionally deceptive manner to usurp food resources. If capuchins use alarm calls 'deceptively', it was predicted that false alarms should be: (i) given by subordinates more than by dominants, (ii) more… CONTINUE READING