brown howler monkey vs Brown Rat

Alouatta guariba compared with Rattus norvegicus

Key Differences

• brown howler monkey is Vulnerable while Brown Rat is Least Concern.

Taxonomic Classification

Rank	brown 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 guariba	Rattus norvegicus

Evolutionary Relationship

brown howler monkey and Brown Rat share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

brown howler monkey

VU — Vulnerable

Brown Rat

LC — Least Concern

Physical Characteristics

Attribute	brown howler monkey	Brown Rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

brown 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).

brown howler monkey

The Brown Howler Monkey (Alouatta guariba) is a species in the genus Alouatta. It is currently classified as Vulnerable 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.