Amazonian Marsh Rat vs Black-headed Night Monkey

Holochilus sciureus compared with Aotus nigriceps

Taxonomic Classification

Rank	Amazonian Marsh Rat	Black-headed Night Monkey
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Rodentia (Rodents)	Primates (Primates)
Family	Cricetidae	Aotidae
Genus	Holochilus	Aotus
Species	Holochilus sciureus	Aotus nigriceps

Evolutionary Relationship

Amazonian Marsh Rat and Black-headed Night Monkey share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Amazonian Marsh Rat

LC — Least Concern

Black-headed Night Monkey

LC — Least Concern

Physical Characteristics

Attribute	Amazonian Marsh Rat	Black-headed Night Monkey
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amazonian Marsh Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.

Black-headed Night Monkey

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Amazonian Marsh Rat

The Amazonian Marsh Rat (Holochilus sciureus) is a species in the genus Holochilus. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

Black-headed Night Monkey

The Black-headed Night Monkey (Aotus nigriceps) is a species in the genus Aotus. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.