Alston s Cotton Rat vs Brazilian-walnut

Sigmodon alstoni compared with Ocotea porosa

Key Differences

• Alston s Cotton Rat is Least Concern while Brazilian-walnut is Vulnerable.

Taxonomic Classification

Rank	Alston s Cotton Rat	Brazilian-walnut
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Magnoliophyta (Flowering Plants)
Class	Mammalia (Mammals)	Magnoliopsida (Dicots)
Order	Rodentia (Rodents)	Laurales (Laurales)
Family	Cricetidae	Lauraceae
Genus	Sigmodon	Ocotea
Species	Sigmodon alstoni	Ocotea porosa

Conservation Status

Alston s Cotton Rat

LC — Least Concern

Brazilian-walnut

VU — Vulnerable

Physical Characteristics

Attribute	Alston s Cotton Rat	Brazilian-walnut
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Alston s Cotton Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.

Brazilian-walnut

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Found in Brazil. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Alston s Cotton Rat

The Alston s Cotton Rat (Sigmodon alstoni) is a species in the genus Sigmodon. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems. Distributed across Colombia and Venezuela.

Brazilian-walnut

The Brazilian-walnut (Ocotea porosa) is a species in the genus Ocotea. It is currently classified as Vulnerable on the IUCN Red List. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.