Southern tuco-tuco
species of mammal

The southern tuco-tuco (Ctenomys australis) is a species of rodent in the family Ctenomyidae.
It is endemic to Argentina.
Anatomy
The southern tuco-tuco is a large rodent, ranging in weight from 250–600 grams. Its head-body length is 15–25 cm, while its tail length is 6–11 cm. At this size, it is one of the largest species within the genus Ctenomys.
They are characterized by their large head, short legs, and considerable incisors. Their pelage ranges in color from dark brown to black with pale-grey underparts, resembling the sandy soil of its habitat. Its tail, however, has no hair.
Distribution
The southern tuco-tuco lives sympatrically with the Talas tuco-tuco (C. talarum) in the coastal grassland and sand dune areas of the Buenos Aires Province, Argentina along the Atlantic coast. Its region ranges from Necochea to Bahia Blanca.
This brief starts where responsible research should: with the source description of “Southern tuco-tuco” as species of mammal. Everything that follows is an evidence route, not borrowed authority.
Why this record matters
The subject matters to the science & nature register because the source frames it as species of mammal. Its deeper value depends on whether names, dates, institutions and citations support that framing.
Stable identifiers, scientific names and standards terminology offer the best bridge between this overview and specialist evidence. The source revision retrieved here is dated Oct 5, 2025. The linked authority identifier is Q305748. None of the 0 selected statements returned an explicit reference.
A general summary may omit uncertainty, sample limits or methodological disagreement that is explicit in the technical record. The source lead contains qualifying language; that uncertainty should survive quotation, summary and reuse. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.
How to read it
Check terminology, classification and the date of the cited evidence. Scientific names and technical consensus can change while older records retain historical value.
- Current terminology
- Classification context
- Finding cited technical literature
Primary datasets, specimen catalogues, standards bodies and the most recent peer-reviewed literature.
Three-step research path
- Establish the record: confirm the title “Southern tuco-tuco”, its source revision and the description used here.
- Expand the search: follow Southern tuco-tuco primary sources, Southern tuco-tuco archive and Southern research across catalogues and specialist indexes.
- Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.
Questions for further research
- Which source most directly establishes the central claim about “Southern tuco-tuco”?
- Which observation, specimen, dataset or publication supports the account?
- Is the terminology current, historical or disputed?
Search terms from this dossier
This entry incorporates text from “Southern tuco-tuco” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.