''Rana amurensis'' (Khabarovsk frog, Siberian wood frog, Heilongjiang brown frog or Amur brown frog) is a species of
true frog found in
northern Asia
North Asia or Northern Asia, also referred to as Siberia, is the northern region of Asia, which is defined in geographical terms and is coextensive with the Asian part of Russia, and consists of three Russian regions east of the Ural Mountains: ...
. It ranges across western
Siberia, as well as northeastern
China
China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's most populous country, with a population exceeding 1.4 billion, slightly ahead of India. China spans the equivalent of five time zones and ...
, northeastern
Mongolia, and on the northern
Korean Peninsula and on
Sakhalin.
''
Rana coreana
The Korean brown frog (''Rana coreana'') is a species of frog in the genus ''Rana''. It is native to the Korean Peninsula and Shandong, China.
Taxonomy and systematics
The Korean brown frog has earlier mostly been considered as subspecies of '' ...
'' was previously included in this species as a subspecies.
Found at latitudes up to
71° N, it is the northernmost wild amphibian species.
According to the
IUCN
The International Union for Conservation of Nature (IUCN; officially International Union for Conservation of Nature and Natural Resources) is an international organization working in the field of nature conservation and sustainable use of natu ...
, the chief threat to the species is habitat loss, as it is only mildly tolerant of disturbance. In addition, it has become a frequent subject of hunting in
Russia since the 1990s. It is not considered threatened on a global scale though.
Favoring lowlands, it is seldom encountered at elevations of more than 600 m.
A habitat generalist, ''Rana amurensis'' favors open ground, but is also found in both deciduous and coniferous forests. In the winter, it hibernates on pond bottoms. Adults are light brown with smooth skin and irregular dark brown and yellow stripes, with a body length of .
''Rana amurensis'' favors
beetles, and consumes of food per day. The average lifespan is three years. Their breeding season is very early, starting in late February in Korea. An egg sac contains 30-60
eggs.
[
Rana amurensis 5.jpg, ''Rana amurensis'' in water
File:Rana amurensis 2.jpg, Dorsal view
Rana amurensis 4.jpg, View of underside
]
References
External links
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{{Taxonbar, from=Q59239
Rana (genus)
Amphibians described in 1886
Amphibians of China
Amphibians of Korea
Amphibians of Mongolia
Amphibians of Russia
Fauna of Siberia