Amazon Black Howler vs Dwarf round ray

Alouatta nigerrima compared with Urotrygon nana

Key Differences

• Amazon Black Howler is Least Concern while Dwarf round ray is Near Threatened.

Taxonomic Classification

Rank	Amazon Black Howler	Dwarf round ray
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Primates (Primates)	Myliobatiformes (Myliobatiformes)
Family	Atelidae	Urotrygonidae
Genus	Alouatta	Urotrygon
Species	Alouatta nigerrima	Urotrygon nana

Evolutionary Relationship

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

Conservation Status

Amazon Black Howler

LC — Least Concern

Dwarf round ray

NT — Near Threatened

Physical Characteristics

Attribute	Amazon Black Howler	Dwarf round ray
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amazon Black Howler

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Dwarf round ray

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.