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Observations on Pedal Luring and Pedal Movements in Leptodactylid Frogs

Charles W. Radcliffe, David Chiszar, Karen Estep, James B. Murphy and Hobart M. Smith
Journal of Herpetology
Vol. 20, No. 3 (Sep., 1986), pp. 300-306
DOI: 10.2307/1564496
Stable URL: http://www.jstor.org/stable/1564496
Page Count: 7
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Observations on Pedal Luring and Pedal Movements in Leptodactylid Frogs
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Abstract

Responses interpreted as luring were seen in six specimens of Ceratophrys ornata. Both hind feet were often involved simultaneously and were held in a vertical position so that the toes were visible over the frog's rear when viewed frontally. The frogs were offered various prey items in sight but out of reach, and predatory responses were recorded for a ten-minute period. Putative luring responses were more frequently emitted to anuran and lizard prey than to cricket or rodent prey, and responses of Ceratophrys differed from those of other leptodactylid predators. Odontophrynus and Caudiverbera did not exhibit luring responses, but their pedal movements suggested that displacement behaviors suitable for elaboration into the display of Ceratophrys might be widespread.

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