ten Hagen, Leonie, Rodriguez, Ariel ORCID: 0000-0003-1936-793X, Menke, Norbert, Goecking, Christian, Bisping, Michael, Frommolt, Karl-Heinz ORCID: 0000-0002-5157-7358, Ziegler, Thomas, Bonkowski, Michael ORCID: 0000-0003-2656-1183 and Vences, Miguel ORCID: 0000-0003-0747-0817 (2016). Vocalizations in juvenile anurans: common spadefoot toads (Pelobates fuscus) regularly emit calls before sexual maturity. Sci. Nat., 103 (9-10). HEIDELBERG: SPRINGER HEIDELBERG. ISSN 1432-1904

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Abstract

Acoustic communication is prominent in adult anuran amphibians, in reproductive, territorial and defensive contexts. In contrast, reports on vocalizations of juvenile anurans are rare and anecdotal, and their function unstudied. We here provide conclusive evidence for vocalizations in juvenile spadefoot toads (Pelobates fuscus) in very early terrestrial stages. While the aquatic tadpoles did not emit sounds, first vocalizations of metamorphs were heard as early as in stages 42-43, and calls were regularly emitted from stage 44 on, often from specimens still bearing extensive tail stubs. Three main types of calls could be distinguished, of which one consists of a series of short notes, one of a typically single longer and pulsed note, and one of a single tonal note. In experimental setups, the number of calls per froglet increased with density of individuals and after feeding, while on the contrary calls were not elicited by playback. The function of these juvenile calls remains un-clarified, but they might reflect a general arousal in the context of feeding. Further evidence is necessary to test whether such feeding calls could confer a signal to conspecifics and thus might represent intraspecific acoustic communication in these immature terrestrial amphibians.

Item Type: Journal Article
Creators:
CreatorsEmailORCIDORCID Put Code
ten Hagen, LeonieUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Rodriguez, ArielUNSPECIFIEDorcid.org/0000-0003-1936-793XUNSPECIFIED
Menke, NorbertUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Goecking, ChristianUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Bisping, MichaelUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Frommolt, Karl-HeinzUNSPECIFIEDorcid.org/0000-0002-5157-7358UNSPECIFIED
Ziegler, ThomasUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Bonkowski, MichaelUNSPECIFIEDorcid.org/0000-0003-2656-1183UNSPECIFIED
Vences, MiguelUNSPECIFIEDorcid.org/0000-0003-0747-0817UNSPECIFIED
URN: urn:nbn:de:hbz:38-260650
DOI: 10.1007/s00114-016-1401-0
Journal or Publication Title: Sci. Nat.
Volume: 103
Number: 9-10
Date: 2016
Publisher: SPRINGER HEIDELBERG
Place of Publication: HEIDELBERG
ISSN: 1432-1904
Language: English
Faculty: Unspecified
Divisions: Unspecified
Subjects: no entry
Uncontrolled Keywords:
KeywordsLanguage
Multidisciplinary SciencesMultiple languages
Refereed: Yes
URI: http://kups.ub.uni-koeln.de/id/eprint/26065

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