Javan Rusa vs Red-legged Sun Squirrel

Rusa timorensis compared with Heliosciurus rufobrachium

Key Differences

• Javan Rusa is Vulnerable while Red-legged Sun Squirrel is Least Concern.

Taxonomic Classification

Rank	Javan Rusa	Red-legged Sun 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	Heliosciurus
Species	Rusa timorensis	Heliosciurus rufobrachium

Evolutionary Relationship

Javan Rusa and Red-legged Sun Squirrel share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Javan Rusa

VU — Vulnerable

Red-legged Sun Squirrel

LC — Least Concern

Physical Characteristics

Attribute	Javan Rusa	Red-legged Sun 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.

Red-legged Sun Squirrel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.