The Herpetological Journal
The Herpetological Journal is the Society's prestigious quarterly scientific journal. Articles are listed in Biological Abstracts, Current Awareness in Biological Sciences,Current Contents, Science Citation Index, and Zoological Record.
ISSN 0268-0130
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pdf 05. Tracing aliens identification of introduced water frogs in Britain by male advertisement call characteristics
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Open Access
pp.43-50
Authors: Julia Wycherley , Simon Doran And Trevor J. C. Beebee
Abstract: We have used sound analysis of male advertisement calls in a study of seven introduced populations of water frogs in Britain. Discriminant analysis of call characters identified five types of water frog, notably Rana lessonae, R. esculenta, R. ridibunda, R. bergeri and R. perezi. Rana epeirotica and R. shqiperica were not detected. Typical LE (/essonae-esculenta) systems were found at two sites, R. ridibunda occurred alone at two sites and R. esculenta occurred alone at one site. The remaining two sites were more complex. One had R. ridibunda, R. perezi and R. esculenta while the seventh site had four taxa of water frog (R. lessonae, R. bergeri, R. esculenta and R. perezi). The value of call analysis for the identification of water frog populations is discussed.
Keywords: alien species, call frequency, green frogs, oscillograms, Rana
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