Siberian Wood Frog
© PENSOFT Publishers (1 of 1)
Distribution and Habitat
Country distribution from AmphibiaWeb's database: China, Kazakhstan, Korea, Democratic People's Republic of, Kyrgyzstan, Mongolia, Russian Federation
The southern margin of the range runs in Russia approximately along the line: Sverdlovsk Province (Turinsk Town) - northeast of Kurgan Province - south of Tyumen Province - Omsk Province - Novosibirsk Province - Gornyi Altai Republic (right bank of the lower Katun River, foothills of Altai Mountains: ca. 52ºN, 86ºE) - Kemerovo Province - Khakassia Republic - south of the Krasnoyarsk Region - southwest of Irkutsk Province - Republic of Buryatia, then to Mongolia (forest steppe and steppe zones: Kharkhorin Town - Tuul River - Kherleen River), China (Inner Mongolia Autonomous District, as well as Heilongjiang, Jilin, Liaoning and Shaanxi provinces) and Korea. Both the northern and southern margins of the distribution need further exploration. The rarity and sporadic distribution of the species in those areas provide obstacles for such exploration.
Rana amurensis lives in coniferous, mixed, and deciduous forests, within which it penetrates the tundra and forest steppe zones. It occurs most frequently in open, wet places such as wet meadows, swamps, overgrown shores of lakes, riverbanks, and open areas in forests with abundant vegetation and arboreal debris. The connection with water bodies (overgrown river valleys with floodplain ponds and lakes) is especially typical in the southernmost (forest steppe and steppe) and the northernmost areas. In the south of the Primorye Region, this species avoids dense forests and occurs mainly in wet meadows with secondary small-leafed forest or shrub in river valleys. Reproduction occurs in shallow lakes, ponds, large puddles and swamps with stagnant water.
Life History, Abundance, Activity, and Special Behaviors
The larvae of R. amurensis consume mainly algae growing on underwater substrates (Phaeophyta, Zygnemales and Bacillariophyta), as well as higher plants, detritus and small aquatic invertebrates. Juveniles consume mainly terrestrial insects, but sometimes also aquatic arthropods. Adults consume mainly terrestrial invertebrates and the diet varies by season and habitat. The frog sometimes eats aquatic prey. The latter (Mollusca, Gerridae, Dytiscidae, Haliplidae and larval Odonata) are especially important in the northern part of the frog's range. Small amounts of aquatic organisms have been found in the stomachs of frogs caught at breeding ponds.
Trends and Threats
Relation to Humans
Possible reasons for amphibian decline
Drainage of habitat
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Written by Sergius L. Kuzmin (ipe51 AT yahoo.com), Institute of Ecology and Evolution, Russian Academy of Sciences, Moscow
First submitted 1999-11-10
Edited by Kellie Whittaker (2017-03-05)
Species Account Citation: AmphibiaWeb 2017 Rana amurensis: Siberian Wood Frog <http://amphibiaweb.org/species/4977> University of California, Berkeley, CA, USA. Accessed Mar 23, 2018.
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Citation: AmphibiaWeb. 2018. <http://amphibiaweb.org> University of California, Berkeley, CA, USA. Accessed 23 Mar 2018.
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