Ernst Mayr's water rat (''Leptomys ernstmayri'') is a species of

rodent Rodents (from Latin , 'to gnaw') are mammals of the order Rodentia (), which are characterized by a single pair of continuously growing incisors in each of the upper and lower jaws. About 40% of all mammal species are rodents. They are n ...

in the family Muridae, named for evolutionary biologist Ernst Mayr. It is found in the

Foja Mountains The Foja Mountains (Foja Range, Foya Mountains) ( id, Pegunungan Foja) are located just north of the Mamberamo river basin in Papua, Indonesia. The mountains rise to , and have 3,000 square kilometers of old growth tropical rainforest in the inte ...

Papua Province Papua is a province of Indonesia, comprising the northern coast of Western New Guinea together with island groups in Cenderawasih Bay to the west. It roughly follows the borders of Papuan customary region of Tabi Saireri. It is bordered by the ...

Indonesia Indonesia, officially the Republic of Indonesia, is a country in Southeast Asia and Oceania between the Indian and Pacific oceans. It consists of over 17,000 islands, including Sumatra, Java, Sulawesi, and parts of Borneo and New Guine ...

, and in the mountains of northeastern

Papua New Guinea Papua New Guinea (abbreviated PNG; , ; tpi, Papua Niugini; ho, Papua Niu Gini), officially the Independent State of Papua New Guinea ( tpi, Independen Stet bilong Papua Niugini; ho, Independen Stet bilong Papua Niu Gini), is a country i ...

References

* Leptomys Rodents of New Guinea Mammals described in 1932 Taxonomy articles created by Polbot {{Murinae-stub