Arizona Cotton Rat vs Black-shouldered Opossum

Sigmodon arizonae compared with Caluromysiops irrupta

Taxonomic Classification

Rank	Arizona Cotton Rat	Black-shouldered 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	Caluromysiops
Species	Sigmodon arizonae	Caluromysiops irrupta

Evolutionary Relationship

Arizona Cotton Rat and Black-shouldered Opossum share a common ancestor at the Class level: Mammalia. (哺乳動物)

Conservation Status

Arizona Cotton Rat

LC — Least Concern

Black-shouldered Opossum

LC — Least Concern

Physical Characteristics

Attribute	Arizona Cotton Rat	Black-shouldered Opossum
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arizona Cotton Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Black-shouldered Opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Colombia.

Arizona Cotton Rat

The Arizona Cotton Rat, Sigmodon arizonae, is a species. It is currently assessed as least concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

Black-shouldered Opossum

The Black-shouldered Opossum (Caluromysiops irrupta) is a species in the genus Caluromysiops. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.