Endangered
Rio Negro tuco-tuco
Ctenomys rionegrensis
Rio Negro tuco-tuco is a rodent in the family Ctenomyidae (order Rodentia) — Ctenomys rionegrensis, recorded as Endangered.
The rodent
Rodents have ever-growing incisors. Species here are wild forms with a threat category — chipmunks, mole-rats, deer mice.
This is a named wild mammal with a photograph and a threat category on the public record.
Range and habitat
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.
Pins are Wikidata “endemic to” fields. Orange dots, when present, are GBIF occurrence tiles — survey bias included.
In crisis
Rio Negro tuco-tuco is Endangered on this catalog because that is the IUCN category stored on Wikidata. Confirm the official criteria and any later count on iucnredlist.org.
Sources
Written for this catalog from the English Wikipedia article on Rio Negro tuco-tuco — often a short stub, Wikidata item Q1768507. Family and order context is original field-guide writing about the group, not a copied assessment of this one species. Wikipedia text is CC BY-SA. Not an IUCN assessment. Counts, when quoted, can change — confirm them on the recovery programme and on iucnredlist.org.
