Black-headed Night Monkey vs Javan Rusa

Aotus nigriceps compared with Rusa timorensis

Key Differences

• Black-headed Night Monkey is Least Concern while Javan Rusa is Vulnerable.

Taxonomic Classification

Rank	Black-headed Night Monkey	Javan Rusa
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Primates (Primates)	Artiodactyla (Even-toed Ungulates)
Family	Aotidae	Cervidae (Deer)
Genus	Aotus	Rusa
Species	Aotus nigriceps	Rusa timorensis

Evolutionary Relationship

Black-headed Night Monkey and Javan Rusa share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Black-headed Night Monkey

LC — Least Concern

Javan Rusa

VU — Vulnerable

Physical Characteristics

Attribute	Black-headed Night Monkey	Javan Rusa
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black-headed Night Monkey

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.

Black-headed Night Monkey

The Black-headed Night Monkey (Aotus nigriceps) is a species in the genus Aotus. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.