Javan Rusa vs Komodo Dragon

Rusa timorensis compared with Varanus komodoensis

Key Differences

Javan Rusa is Vulnerable while Komodo Dragon is Endangered.

Taxonomic Classification

Rank	Javan Rusa	Komodo Dragon
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Reptilia (Reptiles)
Order	Artiodactyla (Even-toed Ungulates)	Squamata (Lizards & Snakes)
Family	Cervidae (Deer)	Varanidae (Monitor Lizards)
Genus	Rusa	Varanus (Monitor Lizards)
Species	Rusa timorensis	Varanus komodoensis

Evolutionary Relationship

Javan Rusa and Komodo Dragon share a common ancestor at the Phylum level: Chordata. (Chordates)

View Phylum: Chordata

Conservation Status

Javan Rusa

VU — Vulnerable

Komodo Dragon

EN — Endangered

Population: ~3.5K

Trend: Stable →

Physical Characteristics

Attribute	Javan Rusa	Komodo Dragon
Diet	—	Carnivore
Average Lifespan	—	30 years
Average Length	—	2.6 m
Average Weight	—	70.0 kg

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.

Komodo Dragon

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 4 distinct biome types spanning the Australasia and Indomalayan realms. Populations are also found in montane and highland environments at higher elevations.

Range

Found in Indonesia. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.