Black-headed Night Monkey vs Spotted Ray

Aotus nigriceps compared with Bathyraja albomaculata

Key Differences

• Black-headed Night Monkey is Least Concern while Spotted Ray is Vulnerable.

Taxonomic Classification

Rank	Black-headed Night Monkey	Spotted Ray
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Primates (Primates)	Rajiformes (Rajiformes)
Family	Aotidae	Arhynchobatidae
Genus	Aotus	Bathyraja
Species	Aotus nigriceps	Bathyraja albomaculata

Evolutionary Relationship

Black-headed Night Monkey and Spotted Ray share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Black-headed Night Monkey

LC — Least Concern

Spotted Ray

VU — Vulnerable

Physical Characteristics

Attribute	Black-headed Night Monkey	Spotted Ray
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black-headed Night Monkey

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Spotted Ray

Habitat

Native to South America, inhabiting ecosystems characteristic of the region.

Range

Found in Chile. 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.