Big-eared opossum vs Ridgway's Rail

Didelphis aurita compared with Rallus obsoletus

Key Differences

• Big-eared opossum is Least Concern while Ridgway's Rail is Near Threatened.

Taxonomic Classification

Rank	Big-eared 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	Didelphis	Rallus
Species	Didelphis aurita	Rallus obsoletus

Evolutionary Relationship

Big-eared opossum and Ridgway's Rail share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Big-eared opossum

LC — Least Concern

Ridgway's Rail

NT — Near Threatened

Physical Characteristics

Attribute	Big-eared opossum	Ridgway's Rail
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Big-eared opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.

Big-eared opossum

The Big-eared opossum (Didelphis aurita) is a species in the genus Didelphis. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.