Lessons from vervets and macaques. MSc ACSB module 2006/07 AC Session 3. Vervet monkey alarm calls. Cheney & Seyfarth: " How monkeys see the world “ Vervet monkeys (tree + ground living monkey, Africa) Predators = Leopard, Monkey-eating Eagle, Python, + baboons, etc, and 3 calls
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MSc ACSB module 2006/07
AC Session 3
Probability of adult alarm call
after infant has given eagle alarm
call – high only to Martial eagle + 1 other sp.
Infants give fewer wrong and more adult-like responses to alarm call playback as they grow older
16 acoustic parameters from one female: 82% correct classification of her calls and others' calls
Spectrographically distinct but cannot be distinguished
by ear by humans