Black-shouldered Opossum vs Ridgway's Rail

Caluromysiops irrupta compared with Rallus obsoletus

Key Differences

• Black-shouldered Opossum is Least Concern while Ridgway's Rail is Near Threatened.

Taxonomic Classification

Rank	Black-shouldered Opossum	Ridgway's Rail
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Didelphimorphia (Didelphimorphia)	Gruiformes (Gruiformes)
Family	Didelphidae	Rallidae
Genus	Caluromysiops	Rallus
Species	Caluromysiops irrupta	Rallus obsoletus

Evolutionary Relationship

Black-shouldered Opossum and Ridgway's Rail share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Black-shouldered Opossum

LC — Least Concern

Ridgway's Rail

NT — Near Threatened

Physical Characteristics

Attribute	Black-shouldered Opossum	Ridgway's Rail
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black-shouldered Opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Colombia.

Ridgway's Rail

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Found in Norway. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.