Endemic Animals of Rio Grande do Sul

Contomastix vacariensis is a species of teiid lizard endemic to Brazil. Less

The Guahiba gracile opossum (Cryptonanus guahybae ) is a species of opossum in the family Didelphidae. It is endemic to southern Brazil, where it is known only from three islands, Guahiba, São Lourenço, and Taquara, in the state of Rio Grande do Sul. The poorly studied species is presumed to inhabit subtropical forests, and thus to be threatened by deforestation. Less

Flamarion's tuco-tuco or the tuco-tuco of the dunes (Ctenomys flamarioni ) is a South American rodent species of the family Ctenomyidae. Its karyotype has 2n = 48 and FN = 50–78. It is found in coastal dunes of Rio Grande do Sul state, southern Brazil. The species is threatened by habitat loss due to dune removal and urbanization. It is named after Brazilian biologist Luiz Flamarion B. de Oliveira. Less

The Lami tuco-tuco (Ctenomys lami ) is a species of rodent in the family Ctenomyidae. It is endemic to an area in the state of Rio Grande do Sul in southern Brazil, where it is found in the vicinity of sand dunes. The species is threatened by urbanization and the conversion of its habitat to agricultural use. Swamp drainage has led to a zone of hybridization with a neighboring population of C. minutus. Less