Selectivity of evoked vocal responses in the time domain by frogs of the genus Batrachyla
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Penna Varela, Mario
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Selectivity of evoked vocal responses in the time domain by frogs of the genus Batrachyla
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The leptodactylid frogs Batrachyla taeniata, B. antartandica and B. leptopus in southern Chile produce advertisement calls composed of short pulses, repeated in species-specific patterns. Batrachyla leptopus has a call with a complex structure relative to the other species, with pulses grouped in notes. Male frogs were presented with synthetic imitations of conspecific advertisement calls and variants for which different temporal components were varied systematically. Males of B. taeniata responded with fewer calls to synthetic stimuli having a low pulse rate (12.5 pulses/sec) relative to a standard stimulus imitating the natural advertisement call (50 pulses/sec). In contrast, males of B. antartandiea gave fewer responses to stimuli having a high pulse rate (8 pulses/sec) relative to the standard call of this species (2 pulses/sec). Batrachyla taeniata save weaker responses to continuous tones of the same duration as the standard call (500 msec), and B. antartandica also decreased sig
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URI: https://repositorio.uchile.cl/handle/2250/162776
DOI: 10.2307/1565388
ISSN: 00221511
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Journal of Herpetology, Volumen 31, Issue 2, 2018, Pages 202-217
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