Gray Slender Opossum vs River Tern

Marmosops incanus compared with Sterna aurantia

Key Differences

• Gray Slender Opossum is Least Concern while River Tern is Vulnerable.

Taxonomic Classification

Rank	Gray Slender Opossum	River 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	Marmosops	Sterna
Species	Marmosops incanus	Sterna aurantia

Evolutionary Relationship

Gray Slender Opossum and River Tern share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Gray Slender Opossum

LC — Least Concern

River Tern

VU — Vulnerable

Physical Characteristics

Attribute	Gray Slender Opossum	River Tern
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Gray Slender Opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

River Tern

Habitat

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

Range

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