Amazon Black Howler vs Amerika-aka-ei

Alouatta nigerrima compared with Hypanus americanus

Key Differences

• Amazon Black Howler is Least Concern while Amerika-aka-ei is Near Threatened.

Taxonomic Classification

Rank	Amazon Black Howler	Amerika-aka-ei
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class	Mammalia (哺乳類)	Elasmobranchii
Order	Primates (サル目)	Myliobatiformes (トビエイ目)
Family	Atelidae	Dasyatidae
Genus	Alouatta	Hypanus
Species	Alouatta nigerrima	Hypanus americanus

Evolutionary Relationship

Amazon Black Howler and Amerika-aka-ei share a common ancestor at the Phylum level: Chordata. (脊索動物)

Conservation Status

Amazon Black Howler

LC — Least Concern

Amerika-aka-ei

NT — Near Threatened

Physical Characteristics

Attribute	Amazon Black Howler	Amerika-aka-ei
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amazon Black Howler

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Amerika-aka-ei

Habitat

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

Range

Found in Venezuela. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.