Black-headed Night Monkey vs undulate ray

Aotus nigriceps compared with Raja undulata

Key Differences

• Black-headed Night Monkey is Least Concern while undulate ray is Endangered.

Taxonomic Classification

Rank	Black-headed Night Monkey	undulate ray
Kingdom same	Animalia (동물)	Animalia (동물)
Phylum same	Chordata (척삭동물)	Chordata (척삭동물)
Class	Mammalia (포유류)	Elasmobranchii
Order	Primates (영장목)	Rajiformes (홍어목)
Family	Aotidae	Rajidae
Genus	Aotus	Raja
Species	Aotus nigriceps	Raja undulata

Evolutionary Relationship

Black-headed Night Monkey and undulate ray share a common ancestor at the Phylum level: Chordata. (척삭동물)

Conservation Status

Black-headed Night Monkey

LC — Least Concern

undulate ray

EN — Endangered

Physical Characteristics

Attribute	Black-headed Night Monkey	undulate ray
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black-headed Night Monkey

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

undulate ray

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Found in Belgium. Currently classified as Endangered 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.