When1: 1990
When2: 1992
Who: Robert M. Seyfarth [Seyfarth, Robert M.]/Dorothy L. Cheney [Cheney, Dorothy L.]
What: biologist
Where: USA
works\ How Monkeys See the World, Inside the Mind of Another Species [1990]; Meaning and Mind in Monkeys [1992]
Detail: Monkeys make alarm calls even when they can perceive that other monkeys are not near or that other monkeys are calling already. Monkeys do not have theory of mind. Vervet monkeys make different alarm calls for eagles, leopards, and snakes and use grunts in social interactions.
Biological Sciences>Biology>History>Behavior
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Date Modified: 2022.0224