| Montane Brown Frog | |
|---|---|
| Conservation status | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Amphibia |
| Order: | Anura |
| Family: | Ranidae |
| Genus: | Rana |
| Species: | R. ornativentris |
| Binomial name | |
| Rana ornativentris Werner, 1903 |
|
The Montane Brown Frog or Nikkō Frog, Rana ornativentris, is a species of frog in the Ranidae family. It is endemic to Japan.
Its natural habitats are subtropical or tropical dry forests, rivers, swamps, freshwater marshes, arable land, irrigated land, and seasonally flooded agricultural land.