Amazon Black Howler vs Lesser Golden-bellied Rice Rat

Alouatta nigerrima compared with Nephelomys nimbosus

Key Differences

• Amazon Black Howler is Least Concern while Lesser Golden-bellied Rice Rat is Vulnerable.

Taxonomic Classification

Rank	Amazon Black Howler	Lesser Golden-bellied Rice Rat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Primates (Primates)	Rodentia (Rodents)
Family	Atelidae	Cricetidae
Genus	Alouatta	Nephelomys
Species	Alouatta nigerrima	Nephelomys nimbosus

Evolutionary Relationship

Amazon Black Howler and Lesser Golden-bellied Rice Rat share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Amazon Black Howler

LC — Least Concern

Lesser Golden-bellied Rice Rat

VU — Vulnerable

Physical Characteristics

Attribute	Amazon Black Howler	Lesser Golden-bellied Rice Rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amazon Black Howler

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Lesser Golden-bellied Rice Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Ecuador. Currently classified as Vulnerable 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.