Javan Rusa vs Mondolfi’s Four-eyed Opossum

Rusa timorensis compared with Philander mondolfii

Key Differences

• Javan Rusa is Vulnerable while Mondolfi’s Four-eyed Opossum is Least Concern.

Taxonomic Classification

Rank	Javan Rusa	Mondolfi’s Four-eyed Opossum
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Artiodactyla (Even-toed Ungulates)	Didelphimorphia (Didelphimorphia)
Family	Cervidae (Deer)	Didelphidae
Genus	Rusa	Philander
Species	Rusa timorensis	Philander mondolfii

Evolutionary Relationship

Javan Rusa and Mondolfi’s Four-eyed Opossum share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Javan Rusa

VU — Vulnerable

Mondolfi’s Four-eyed Opossum

LC — Least Concern

Physical Characteristics

Attribute	Javan Rusa	Mondolfi’s Four-eyed Opossum
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.

Mondolfi’s Four-eyed Opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Venezuela.