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Is the response of a Neotropical poison frog (Ranitomeya variabilis) to larval chemical cues influenced by relatedness?

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Offspring recognition via chemical cues is widely known among vertebrates. In order to test this capacity in the poison frog Ranitomeya variabilis, we analysed whether parental frogs deposit their tadpoles with closely related rather than unrelated tadpoles. We conducted poolchoice experiments with one pool presenting chemical cues of a tadpole previously found at the same location. Tadpoles were most frequently deposited in pools without tadpole cues and results of genetic analyses did not lead to the conclusion that frogs consider relatedness when choosing where to deposit tadpoles. We suppose that frogs discriminate possible tadpole deposition sites by location rather than by offspring recognition.
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Keywords: CHEMICAL RECOGNITION; DENDROBATIDAE; OFFSPRING IDENTIFICATION; PARENTAL CARE; PHYTOTELMATA

Document Type: Short Communication

Publication date: July 1, 2014

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