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Mating Calls of Treefrogs (Genus Hyla) in the Far East, with Description of a New Species from Korea
Vol. 1980, No. 1 (Feb. 1, 1980), pp. 100-108
Stable URL: http://www.jstor.org/stable/1444138
Page Count: 9
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Mating calls of treefrogs (genus Hyla) from Japan, Korea and Taiwan are characterized and compared. The calls of H. japonica and H. hallowelli are a series of notes consisting of many fine pulses, whereas the note of H. chinensis consists of a few discrete pulses. Note length and note interval are inversely correlated with air temperature in H. japonica and H. hallowelli, and their regressions resemble those of western Asian H. savignyi and European H. meridionalis, respectively. H. suweonensis, a new species described from Korea, differs phonetically from sympatric H. japonica especially in frequency distribution. It differs also in calling behavior, some morphometric characters and serum proteins. Its karyotype (2n = 24) is similar to many other hylids. Acoustic characteristics of the Holoarctic hylids suggest that H. japonica, H. hallowelli and all European and western Asian species are related to, and probably derived from, the H. eximia group of North America. H. suweonensis and H. chinensis seem to belong to two different phyletic lines.