Amazon Black Howler vs aquatic rat

Alouatta nigerrima compared with Anotomys leander

Key Differences

Amazon Black Howler is Least Concern while aquatic rat is Endangered.

Taxonomic Classification

Rank	Amazon Black Howler	aquatic 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	Anotomys
Species	Alouatta nigerrima	Anotomys leander

Evolutionary Relationship

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

View Class: Mammalia

Conservation Status

Amazon Black Howler

LC — Least Concern

aquatic rat

EN — Endangered

Physical Characteristics

Attribute	Amazon Black Howler	aquatic rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amazon Black Howler

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

aquatic rat

Habitat

Found across multiple habitat types including tropical and subtropical dry broadleaf forests, flooded grasslands and savannas, and montane grasslands and shrublands, among 4 distinct biome types within the Neotropic biogeographic realm.

Range

Distributed across Colombia and Ecuador. Currently classified as Endangered 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.

aquatic rat

The Aquatic rat (Anotomys leander) is a species in the genus Anotomys. It is currently classified as Endangered on the IUCN Red List. Found across multiple habitat types including tropical and subtropical dry broadleaf forests, flooded grasslands and savannas, and montane grasslands and shrublands, among 4 distinct biome types within the Neotropic biogeographic realm.