Javan Rusa vs Large Japanese Field Mouse

Rusa timorensis compared with Apodemus speciosus

Key Differences

• Javan Rusa is Vulnerable while Large Japanese Field Mouse is Least Concern.

Taxonomic Classification

Rank	Javan Rusa	Large Japanese Field Mouse
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Artiodactyla (Even-toed Ungulates)	Rodentia (Rodents)
Family	Cervidae (Deer)	Muridae (Mice & Rats)
Genus	Rusa	Apodemus
Species	Rusa timorensis	Apodemus speciosus

Evolutionary Relationship

Javan Rusa and Large Japanese Field Mouse share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Javan Rusa

VU — Vulnerable

Large Japanese Field Mouse

LC — Least Concern

Physical Characteristics

Attribute	Javan Rusa	Large Japanese Field Mouse
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Javan Rusa

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, tundra, and tropical and subtropical moist broadleaf forests spanning the Australasia and Afrotropic and Oceanian realms.

Range

Distributed across Mauritius, New Zealand, and Norway. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Large Japanese Field Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.