Physalaemus signifer (Girard, 1853)
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https://doi.org/ 10.11646/zootaxa.4725.1.1 |
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lsid:zoobank.org:pub:B137F19A-2C50-476C-8F13-4F049253B361 |
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https://treatment.plazi.org/id/D435E640-FFD2-FFE8-BE8B-F88EFD7BFF69 |
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Physalaemus signifer |
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Physalaemus signifer species group
Several species in this group have pulsed call ( P. angrensis , P. atlanticus , P. bokermanni , P. crombiei , P. irroratus , P. moreirae , P. nanus , and P. obtectus ) and show nonlinear regimes (acoustic features more complex than usually expected for simple oscillators; see Material and Methods above) such as subharmonics, deterministic chaos, and frequency jumps ( P. angrensis , P. atlanticus , P. bokermanni , P. camacan , P. crombiei , P. irroratus , P. moreirae , P. nanus , P. obtectus , P. signifer , and P. spiniger ). All species, except P. bokermanni , have at least one call with structures long enough to make them sound, to the human ear, as nasal-like whines with high timbre; due to the energy concentrated in higher and dense harmonics.
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.
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