butcher oldfield mouse vs Gray-bellied Night Monkey

Thomasomys laniger compared with Aotus lemurinus

Key Differences

• butcher oldfield mouse is Least Concern while Gray-bellied Night Monkey is Vulnerable.

Taxonomic Classification

Rank	butcher oldfield mouse	Gray-bellied 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	Thomasomys	Aotus
Species	Thomasomys laniger	Aotus lemurinus

Evolutionary Relationship

butcher oldfield mouse and Gray-bellied Night Monkey share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

butcher oldfield mouse

LC — Least Concern

Gray-bellied Night Monkey

VU — Vulnerable

Physical Characteristics

Attribute	butcher oldfield mouse	Gray-bellied Night Monkey
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

butcher oldfield mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.

Gray-bellied Night Monkey

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

butcher oldfield mouse

The Butcher oldfield mouse (Thomasomys laniger) is a species in the genus Thomasomys. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

Shared Countries

Both species can be found in 2 countries:

🇨🇴 Colombia 🇻🇪 Venezuela