Javan Rhinoceros vs Napo Spiny-rat

Rhinoceros sondaicus compared with Proechimys quadruplicatus

Key Differences

• Javan Rhinoceros is Critically Endangered while Napo Spiny-rat is Least Concern.

Taxonomic Classification

Rank	Javan Rhinoceros	Napo Spiny-rat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Perissodactyla (Odd-toed Ungulates)	Rodentia (Rodents)
Family	Rhinocerotidae (Rhinos)	Echimyidae
Genus	Rhinoceros	Proechimys
Species	Rhinoceros sondaicus	Proechimys quadruplicatus

Evolutionary Relationship

Javan Rhinoceros and Napo Spiny-rat share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Javan Rhinoceros

CR — Critically Endangered

Napo Spiny-rat

LC — Least Concern

Physical Characteristics

Attribute	Javan Rhinoceros	Napo Spiny-rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Javan Rhinoceros

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Napo Spiny-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela.