Javan Rusa vs Nile Crocodile

Rusa timorensis compared with Crocodylus niloticus

Key Differences

• Javan Rusa is Vulnerable while Nile Crocodile is Least Concern.

Taxonomic Classification

Rank	Javan Rusa	Nile Crocodile
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Reptilia (Reptiles)
Order	Artiodactyla (Even-toed Ungulates)	Crocodylia (Crocodilians)
Family	Cervidae (Deer)	Crocodylidae (Crocodiles)
Genus	Rusa	Crocodylus (True Crocodiles)
Species	Rusa timorensis	Crocodylus niloticus

Evolutionary Relationship

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

Conservation Status

Javan Rusa

VU — Vulnerable

Nile Crocodile

LC — Least Concern

Population: ~500.0K

Trend: Stable →

Physical Characteristics

Attribute	Javan Rusa	Nile Crocodile
Diet	—	Carnivore
Average Lifespan	—	70 years
Average Length	—	5.0 m
Average Weight	—	750.0 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.

Nile Crocodile

Habitat

Typically found in diverse ecosystems where prey species are available.

Range

Distributed across Egypt, Kenya, Madagascar, South Africa, and Tanzania.

Nile Crocodile

The Nile crocodile is one of the largest reptiles in the world and is found throughout sub-Saharan Africa.