Black Howler Monkey vs Brown Rat

Alouatta pigra compared with Rattus norvegicus

Key Differences

• Black Howler Monkey is Endangered while Brown Rat is Least Concern.

Taxonomic Classification

Rank	Black Howler Monkey	Brown 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	Muridae (Mice & Rats)
Genus	Alouatta	Rattus
Species	Alouatta pigra	Rattus norvegicus

Evolutionary Relationship

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

Conservation Status

Black Howler Monkey

EN — Endangered

Brown Rat

LC — Least Concern

Physical Characteristics

Attribute	Black Howler Monkey	Brown Rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black Howler Monkey

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Brown Rat

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 10 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (11 countries), Asia (15 countries), Europe (41 countries), North America (16 countries), Oceania and the Pacific (10 countries), and South America (10 countries).

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.

Brown Rat

Brown Rat (Rattus norvegicus) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.