Big-eared opossum vs Cownose ray

Didelphis aurita compared with Rhinoptera javanica

Key Differences

• Big-eared opossum is Least Concern while Cownose ray is Endangered.

Taxonomic Classification

Rank	Big-eared opossum	Cownose ray
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Didelphimorphia (Didelphimorphia)	Myliobatiformes (Myliobatiformes)
Family	Didelphidae	Myliobatidae
Genus	Didelphis	Rhinoptera
Species	Didelphis aurita	Rhinoptera javanica

Evolutionary Relationship

Big-eared opossum and Cownose ray share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Big-eared opossum

LC — Least Concern

Cownose ray

EN — Endangered

Physical Characteristics

Attribute	Big-eared opossum	Cownose ray
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Big-eared opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Cownose ray

Habitat

Native to Asia, inhabiting ecosystems characteristic of the region.

Range

Found in Taiwan. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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.