| Ernst Mayr's Water Rat | |
|---|---|
 | |
| Information | |
| Range | Foja Mountains of Papua Province, Indonesia, and in the mountains of northeastern Papua New Guinea. |
| Scientific Classification | |
| Kingdom | Animalia |
| Phylum | Chordata |
| Class | Mammalia |
| Order | Rodentia |
| Family | Muridae |
| Genus | Leptomys |
| Species | Leptomys ernstmayri |
| Conservation Status | |
 Least Concern | |
The Ernst Mayr's water rat (Leptomys ernstmayri), is a species of murid in the family Muridae, named for evolutionary biologist Ernst Mayr. It is found in the Foja Mountains of Papua Province, Indonesia, and in the mountains of northeastern Papua New Guinea.