Large Japanese Field Mouse vs River Tern

Apodemus speciosus compared with Sterna aurantia

Key Differences

• Large Japanese Field Mouse is Least Concern while River Tern is Vulnerable.

Taxonomic Classification

Rank	Large Japanese Field Mouse	River Tern
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Rodentia (Rodents)	Charadriiformes (Charadriiformes)
Family	Muridae (Mice & Rats)	Laridae
Genus	Apodemus	Sterna
Species	Apodemus speciosus	Sterna aurantia

Evolutionary Relationship

Large Japanese Field Mouse and River Tern share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Large Japanese Field Mouse

LC — Least Concern

River Tern

VU — Vulnerable

Physical Characteristics

Attribute	Large Japanese Field Mouse	River Tern
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Large Japanese Field Mouse

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.