Black Howler Monkey vs Ecuadorian Cotton Rat

Alouatta pigra compared with Sigmodon inopinatus

Key Differences

• Black Howler Monkey is Endangered while Ecuadorian Cotton Rat is Vulnerable.

Taxonomic Classification

Rank	Black Howler Monkey	Ecuadorian Cotton 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	Sigmodon
Species	Alouatta pigra	Sigmodon inopinatus

Evolutionary Relationship

Black Howler Monkey and Ecuadorian Cotton Rat share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Black Howler Monkey

EN — Endangered

Ecuadorian Cotton Rat

VU — Vulnerable

Physical Characteristics

Attribute	Black Howler Monkey	Ecuadorian Cotton Rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black Howler Monkey

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Ecuadorian Cotton Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Black Howler Monkey

The Black Howler Monkey (Alouatta pigra) is a species in the genus Alouatta. It is currently classified as Endangered on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.