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Adaptation Unto Death: Function of Fear Screams
The American Naturalist
Vol. 121, No. 4 (Apr., 1983), pp. 562-570
Stable URL: http://www.jstor.org/stable/2460982
Page Count: 9
You can always find the topics here!Topics: Predators, Species, Birds of prey, Warblers, Pirates, Birds, Wildlife habitats, Animals, Bird songs, Fear
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A high frequency of rapid predator approach to broadcast fear screams supports the predator attraction hypothesis in explaining the function of screaming. A high incidence of screaming in prey species that are relatively large in relation to their main predators and live in densely vegetated habitats is concordant with this view. Contrary to earlier reports, I therefore conclude that fear screaming is a nonaltruistic phenomenon and that it is not maintained through kin selection.
The American Naturalist © 1983 The University of Chicago Press