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Species Recognition and Sexual Selection as a Unitary Problem in Animal Communication
Michael J. Ryan and A. Stanley Rand
Vol. 47, No. 2 (Apr., 1993), pp. 647-657
Published by: Society for the Study of Evolution
Stable URL: http://www.jstor.org/stable/2410076
Page Count: 11
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We investigated patterns of mating call preference and mating call recognition by examining phonotaxis of female tungara frogs, Physalaemus pustulosus, in response to conspecific and heterospecific calls. There are four results: females always prefer conspecific calls; most heterospecific calls do not elicit phonotaxis; some heterospecific calls do elicit phonotaxis and thus are effective mate recognition signals; and females prefer conspecific calls to which a component of a heterospecific call has been added to a normal conspecific call. We use these data to illustrate how concepts of species recognition and sexual selection can be understood in a unitary framework by comparing the distribution of signal traits to female preference functions.
Evolution © 1993 Society for the Study of Evolution