Javan Rusa vs Ungava collared lemming

Rusa timorensis compared with Dicrostonyx hudsonius

Key Differences

• Javan Rusa is Vulnerable while Ungava collared lemming is Least Concern.

Taxonomic Classification

Rank	Javan Rusa	Ungava collared lemming
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)	Cricetidae
Genus	Rusa	Dicrostonyx
Species	Rusa timorensis	Dicrostonyx hudsonius

Evolutionary Relationship

Javan Rusa and Ungava collared lemming share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Javan Rusa

VU — Vulnerable

Ungava collared lemming

LC — Least Concern

Physical Characteristics

Attribute	Javan Rusa	Ungava collared lemming
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.

Ungava collared lemming

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.