Amazon Black Howler vs Brown eagle-ray

Alouatta nigerrima compared with Aetomylaeus milvus

Key Differences

• Amazon Black Howler is Least Concern while Brown eagle-ray is Endangered.

Taxonomic Classification

Rank	Amazon Black Howler	Brown eagle-ray
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Chordata (สัตว์มีแกนสันหลัง)	Chordata (สัตว์มีแกนสันหลัง)
Class	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)	Elasmobranchii
Order	Primates (อันดับวานร)	Myliobatiformes (อันดับปลากระเบน)
Family	Atelidae	Myliobatidae
Genus	Alouatta	Aetomylaeus
Species	Alouatta nigerrima	Aetomylaeus milvus

Evolutionary Relationship

Amazon Black Howler and Brown eagle-ray share a common ancestor at the Phylum level: Chordata. (สัตว์มีแกนสันหลัง)

Conservation Status

Amazon Black Howler

LC — Least Concern

Brown eagle-ray

EN — Endangered

Physical Characteristics

Attribute	Amazon Black Howler	Brown eagle-ray
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amazon Black Howler

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Brown eagle-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.

Brown eagle-ray

The Brown Eagle-ray (Aetomylaeus milvus) is a species in the genus Aetomylaeus. It is currently classified as Endangered on the IUCN Red List. Native to Asia, inhabiting ecosystems characteristic of the region.