Diario de pintail

The last problem of Rana frogs in Northeast Asia is to distinguish Rana chensinensis from Rana kukunoris.
Rana kukunoris, who recently appeared on NCBI, seems to have a rough answer.
Rana kukunoris is widely distributed in China Jirin and seems to have a lot of variety.

http://cafe.naver.com/yangpakor/32177

http://cafe.naver.com/yangpakor/32180

Interesting.
Chinese scholars will have an answer in the next 2-3 years.

Rana chensinensis and Rana kukunoris seem to be the final challenge of Rana frogs living in Northeast Asia.

There are three cases below.

The present situation seems to be the situation of (A)
I wonder if (B) is the answer
Or, as in (C), there may be a case of subdividing the species.

What do you think?

In the northern part of North Korea, Rana dybowskii, Rana chensinensis and Rana kukunoris are also likely to live.
All three species of Chinese Yanbian around the Yalu River, including Rana amurensis.

http://cafe.naver.com/yangpakor/32180