Rio Negro tuco-tuco

The Rio Negro tuco-tuco (Ctenomys rionegrensis) is a species of rodent in the family Ctenomyidae.^[2] It is found in a small fragmented range in Entre Ríos Province in northeastern Argentina and in the Río Negro Department of western Uruguay. It is restricted to sand dunes, and is threatened by the conversion of this habitat to forestry plantations.^[1]

Rio Negro tuco-tuco
Conservation status
Endangered  (IUCN 3.1)[1]
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Mammalia
Order:	Rodentia
Family:	Ctenomyidae
Genus:	Ctenomys
Species:	C. rionegrensis
Binomial name
Ctenomys rionegrensis Langguth & Abella, 1970