The Huanren frog (Rana huanrensis) is a species of true frog found in East Asia. It was originally believed to be endemic to Huanren County, Liaoning, China, but was later also found in South Korea; it is presumed to be present in North Korea, as well.[1] It is closely related to the Dybowski's frog, Rana dybowskii, and specimens collected before 1991 were incorrectly identified as that species. Distinguishing factors include the absence of a vocal sac.[2]
| Huanren frog | |
|---|---|
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Amphibia |
| Order: | Anura |
| Family: | Ranidae |
| Genus: | Rana |
| Species: | R. huanrensis
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| Binomial name | |
| Rana huanrensis Fei, Ye & Huang, 1991
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The Huanren frog is found in and around rivers and streams in hilly terrain. The type locality in Huanren is 520 m (1,710 ft) above sea level, and specimens from Korea have also only been found at altitudes over 500 m (1,600 ft). Specimens from South Korea have been collected in the provinces of Gangwon-do, Gyeongsangbuk-do, and eastern Gyeonggi-do. Egg clutches, which are small and clustered, are deposited on submerged rocks in the streams which this species favors.
References
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- ^ a b IUCN SSC Amphibian Specialist Group (2019). "Rana huanrensis". IUCN Red List of Threatened Species. 2019: e.T58619A63855773. doi:10.2305/IUCN.UK.2019-1.RLTS.T58619A63855773.en. Retrieved 20 November 2021.
- ^ "Rana huanrensis". AmphibiaWeb: Information on amphibian biology and conservation. Retrieved 10 November 2012.
- "Rana huanrensis". Amphibian Species of the World 5.0. Archived from the original on 2007-07-15. Retrieved 2007-06-12.
- Yang, Suh-Yung; et al. (2000). "First record of a Brown Frog Rana huanrenensis (Family Ranidae) from Korea" (PDF). Korean Journal of Biological Sciences. 4: 45–50. doi:10.1080/12265071.2000.9647522. Archived from the original (PDF) on 2007-09-30.