Alston s Cotton Rat vs Handley s Slender Opossum

Sigmodon alstoni compared with Marmosops handleyi

Key Differences

Alston s Cotton Rat is Least Concern while Handley s Slender Opossum is Critically Endangered.

Taxonomic Classification

Rank	Alston s Cotton Rat	Handley s Slender Opossum
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum same	Chordata (Chordatiere)	Chordata (Chordatiere)
Class same	Mammalia (Säugetiere)	Mammalia (Säugetiere)
Order	Rodentia (Nagetiere)	Didelphimorphia (Beutelrattenartige)
Family	Cricetidae	Didelphidae
Genus	Sigmodon	Marmosops
Species	Sigmodon alstoni	Marmosops handleyi

Evolutionary Relationship

Alston s Cotton Rat and Handley s Slender Opossum share a common ancestor at the Class level: Mammalia. (Säugetiere)

Ansehen Class: Mammalia

Conservation Status

Alston s Cotton Rat

LC — Least Concern

Handley s Slender Opossum

CR — Critically Endangered

Physical Characteristics

Attribute	Alston s Cotton Rat	Handley s Slender 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.

Handley s Slender Opossum

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and montane grasslands and shrublands, among 4 distinct biome types spanning the Neotropic and Oceanian realms. Populations are also found in montane and highland environments at higher elevations.

Range

Found in Colombia. Currently classified as Critically Endangered 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.