Amazon Black Howler vs Guaira Spiny-rat

Alouatta nigerrima compared with Proechimys guairae

Taxonomic Classification

Rank	Amazon Black Howler	Guaira Spiny-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	Echimyidae
Genus	Alouatta	Proechimys
Species	Alouatta nigerrima	Proechimys guairae

Evolutionary Relationship

Amazon Black Howler and Guaira Spiny-rat share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Amazon Black Howler

LC — Least Concern

Guaira Spiny-rat

LC — Least Concern

Physical Characteristics

Attribute	Amazon Black Howler	Guaira Spiny-rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amazon Black Howler

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Guaira Spiny-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.

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.