Amphibians of Belarus by S. m. Drobenkov

By S. m. Drobenkov

This ebook summarizes the result of a long term research of amphibian distribution, ecology and morphology within the Republic of Belarus. For all amphibian species reminiscent of Triturus vulgaris, T. cristatus, Bombina bombina, Pelobates fuscus, Bufo bufo, B. viridis, B. calamita, Hyla arborea, Rana temporaria, R. arvalis, R. ridibunda, R. lessonae and Rana esculenta, geographical and habitat distribution, assemblage constitution, feeding, task, replica and improvement are defined. distinctive research of morphological edition and the differentiation of populations by way of panorama areas are given. neighborhood difficulties of anthropogenic strain and method of species conservation are mentioned. The ebook can also serve a consultant to the amphibians of Belarus and will good be utilized by either experts and amateurs.

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The temporal spot is well discernible, although occasionally it is absent. There are 3–4 transverse dark stripes on the shin and thigh. Throat coloration varies from complete absence of a marbled pattern on a pale background to entirely covered with dense spots. Males have internal vocal sacs, and their throat is blue during the breeding season. A nuptial pad on the 1st finger has four lobes. Variability of morphometric characters of frogs from the region falls within the limits of variations in the species range.

22. Distribution of Rana temporaria in Belarus. THE AMPHIBIANS OF BELARUS 41 spot and has a indistinct edge. The shape and degree of the chevron-shaped spot is quite variable. The head pattern is well-developed. The temporal spot is well discernible, although occasionally it is absent. There are 3–4 transverse dark stripes on the shin and thigh. Throat coloration varies from complete absence of a marbled pattern on a pale background to entirely covered with dense spots. Males have internal vocal sacs, and their throat is blue during the breeding season.

Striata and maculata morphs). The morphological features of the Pool Frog include relative length of hind leg and form and dimensions of the inner metatarsal tubercle. 04 times. Thus, from the Pool Frog to the Marsh Frog the relative length of the hind legs increases, and the relative size of the inner metatarsal tubercle decreases. These morphological features allow field identification of green frogs. int (Tsaune, 1987). The degree of variability of particular characters in the Pool Frog is less than in the two other species of this group.

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