Gray-bellied Night Monkey vs Large-eared Pika

Aotus lemurinus compared with Ochotona macrotis

Key Differences

• Gray-bellied Night Monkey is Vulnerable while Large-eared Pika is Least Concern.

Taxonomic Classification

Rank	Gray-bellied Night Monkey	Large-eared Pika
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Primates (Primates)	Lagomorpha (Rabbits & Hares)
Family	Aotidae	Ochotonidae
Genus	Aotus	Ochotona
Species	Aotus lemurinus	Ochotona macrotis

Evolutionary Relationship

Gray-bellied Night Monkey and Large-eared Pika share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Gray-bellied Night Monkey

VU — Vulnerable

Large-eared Pika

LC — Least Concern

Physical Characteristics

Attribute	Gray-bellied Night Monkey	Large-eared Pika
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.

Large-eared Pika

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.