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Rio Negro tuco-tuco Ctenomys rionegrensis Endangered

Where the Rio Negro tuco-tuco lives – recorded in 2 countries, with quick facts from Wikidata and an introduction from Wikipedia.

Recorded in (GBIF)Representative wild record

Pin and shaded countries are approximate. The pin is a representative wild sighting (a central record among 25 open-licence GBIF records), not an official range. Method · Records on GBIF · See mice, rats & other rodents on the world map

Rio Negro tuco-tuco: Río Negro Tuco-tuco imported from iNaturalist photo 267673422 on 8 June 2025
Photo: (c) Leo Lagos, some rights reserved (CC BY), CC BY 4.0, via Wikimedia Commons
Scientific nameCtenomys rionegrensis
GroupMice, rats & other rodents
StatusEndangered (Wikidata, IUCN category label)
Found in2 countries
ContinentsSouth America
ClassMammal
OrderRodentia
FamilyCtenomyidae

Where does the Rio Negro tuco-tuco live?

Open-licence (CC0 / CC BY) wild records published on GBIF place the Rio Negro tuco-tuco in 2 countries and territories across South America.

Countries with at least a handful of records (a minimum share of the species’ records, to leave out vagrants and escapes). Records with coordinates only; captive and fossil records excluded.

Is the Rio Negro tuco-tuco endangered?

The Rio Negro tuco-tuco’s conservation status recorded in Wikidata is “Endangered” (an IUCN Red List category label). Source: Wikidata.

What kind of animal is the Rio Negro tuco-tuco?

The Rio Negro tuco-tuco (Ctenomys rionegrensis) is a mammal in the order Rodentia and the family Ctenomyidae, genus Ctenomys. (Taxonomy from Wikidata.)

About the Rio Negro tuco-tuco

The Rio Negro tuco-tuco (Ctenomys rionegrensis) is a species of rodent in the family Ctenomyidae. 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.

Text in “About” is quoted from the Wikipedia article Rio Negro tuco-tuco (revision 1359583792), licensed under CC BY-SA 4.0. Changes: lead section excerpted verbatim, formatting removed. Quick facts, taxonomy and status: Wikidata Q1768507 (CC0). Countries and pin: GBIF.org occurrence records (CC0 / CC BY 4.0).

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