Alston s Cotton Rat vs Buff-bellied Fat-tailed Mouse Opossum

Sigmodon alstoni compared with Thylamys venustus

Key Differences

• Alston s Cotton Rat is Least Concern while Buff-bellied Fat-tailed Mouse Opossum is Data Deficient.

Taxonomic Classification

Rank	Alston s Cotton Rat	Buff-bellied Fat-tailed Mouse Opossum
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum same	Chordata (脊索动物门)	Chordata (脊索动物门)
Class same	Mammalia (哺乳動物)	Mammalia (哺乳動物)
Order	Rodentia (啮齿目)	Didelphimorphia (负鼠目)
Family	Cricetidae	Didelphidae
Genus	Sigmodon	Thylamys
Species	Sigmodon alstoni	Thylamys venustus

Evolutionary Relationship

Alston s Cotton Rat and Buff-bellied Fat-tailed Mouse Opossum share a common ancestor at the Class level: Mammalia. (哺乳動物)

Conservation Status

Alston s Cotton Rat

LC — Least Concern

Buff-bellied Fat-tailed Mouse Opossum

DD — Data Deficient

Physical Characteristics

Attribute	Alston s Cotton Rat	Buff-bellied Fat-tailed Mouse Opossum
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.

Buff-bellied Fat-tailed Mouse Opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.

Buff-bellied Fat-tailed Mouse Opossum

The Buff-Bellied Fat-Tailed Mouse Opossum (Thylamys venustus) is a species in the genus Thylamys. It is currently classified as Data Deficient on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.