Big-eared opossum vs Chinese Crested Tern

Didelphis aurita compared with Thalasseus bernsteini

Key Differences

• Big-eared opossum is Least Concern while Chinese Crested Tern is Critically Endangered.

Taxonomic Classification

Rank	Big-eared opossum	Chinese Crested Tern
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Didelphimorphia (Didelphimorphia)	Charadriiformes (Charadriiformes)
Family	Didelphidae	Laridae
Genus	Didelphis	Thalasseus
Species	Didelphis aurita	Thalasseus bernsteini

Evolutionary Relationship

Big-eared opossum and Chinese Crested Tern share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Big-eared opossum

LC — Least Concern

Chinese Crested Tern

CR — Critically Endangered

Physical Characteristics

Attribute	Big-eared opossum	Chinese Crested Tern
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Big-eared opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Chinese Crested Tern

Habitat

Inhabits tropical and subtropical moist broadleaf forests within the Indomalayan biogeographic realm.

Range

Distributed across Norway and Taiwan. Currently classified as Critically 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.

Chinese Crested Tern

The Chinese Crested Tern (Thalasseus bernsteini) is a species in the genus Thalasseus. It is currently classified as Critically Endangered on the IUCN Red List. Inhabits tropical and subtropical moist broadleaf forests within the Indomalayan biogeographic realm.