Gray-bellied Night Monkey vs Hotson’s Brush-tailed Mouse

Aotus lemurinus compared with Calomyscus hotsoni

Key Differences

• Gray-bellied Night Monkey is Vulnerable while Hotson’s Brush-tailed Mouse is Least Concern.

Taxonomic Classification

Rank	Gray-bellied Night Monkey	Hotson’s Brush-tailed Mouse
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Chordata (สัตว์มีแกนสันหลัง)	Chordata (สัตว์มีแกนสันหลัง)
Class same	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)
Order	Primates (อันดับวานร)	Rodentia (อันดับสัตว์ฟันแทะ)
Family	Aotidae	Calomyscidae
Genus	Aotus	Calomyscus
Species	Aotus lemurinus	Calomyscus hotsoni

Evolutionary Relationship

Gray-bellied Night Monkey and Hotson’s Brush-tailed Mouse share a common ancestor at the Class level: Mammalia. (สัตว์เลี้ยงลูกด้วยน้ำนม)

Conservation Status

Gray-bellied Night Monkey

VU — Vulnerable

Hotson’s Brush-tailed Mouse

LC — Least Concern

Physical Characteristics

Attribute	Gray-bellied Night Monkey	Hotson’s Brush-tailed Mouse
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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.

Hotson’s Brush-tailed Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.