Black-headed Night Monkey vs Chilean eagle ray

Aotus nigriceps compared with Myliobatis chilensis

Key Differences

• Black-headed Night Monkey is Least Concern while Chilean eagle ray is Vulnerable.

Taxonomic Classification

Rank	Black-headed Night Monkey	Chilean eagle ray
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Primates (Primates)	Myliobatiformes (Myliobatiformes)
Family	Aotidae	Myliobatidae
Genus	Aotus	Myliobatis
Species	Aotus nigriceps	Myliobatis chilensis

Evolutionary Relationship

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

Conservation Status

Black-headed Night Monkey

LC — Least Concern

Chilean eagle ray

VU — Vulnerable

Physical Characteristics

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

Habitat & Geographic Range

Black-headed Night Monkey

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Chilean eagle 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.

Chilean eagle ray

The Chilean eagle ray (Myliobatis chilensis) is a species in the genus Myliobatis. It is currently classified as Vulnerable on the IUCN Red List. Native to South America, inhabiting ecosystems characteristic of the region.