Javan Rusa vs Russet Ground Squirrel

Rusa timorensis compared with Spermophilus major

Key Differences

• Javan Rusa is Vulnerable while Russet Ground Squirrel is Least Concern.

Taxonomic Classification

Rank	Javan Rusa	Russet Ground Squirrel
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)	Sciuridae (Squirrels)
Genus	Rusa	Spermophilus
Species	Rusa timorensis	Spermophilus major

Evolutionary Relationship

Javan Rusa and Russet Ground Squirrel share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Javan Rusa

VU — Vulnerable

Russet Ground Squirrel

LC — Least Concern

Physical Characteristics

Attribute	Javan Rusa	Russet Ground Squirrel
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.

Russet Ground Squirrel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Russia.