Amazon Black Howler vs Cownose ray

Alouatta nigerrima compared with Rhinoptera javanica

Key Differences

• Amazon Black Howler is Least Concern while Cownose ray is Endangered.

Taxonomic Classification

Rank	Amazon Black Howler	Cownose ray
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Primates (Primates)	Myliobatiformes (Myliobatiformes)
Family	Atelidae	Myliobatidae
Genus	Alouatta	Rhinoptera
Species	Alouatta nigerrima	Rhinoptera javanica

Evolutionary Relationship

Amazon Black Howler and Cownose ray share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Amazon Black Howler

LC — Least Concern

Cownose ray

EN — Endangered

Physical Characteristics

Attribute	Amazon Black Howler	Cownose ray
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amazon Black Howler

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Cownose ray

Habitat

Native to Asia, inhabiting ecosystems characteristic of the region.

Range

Found in Taiwan. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Amazon Black Howler

The Amazon Black Howler (Alouatta nigerrima) is a species in the genus Alouatta. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.