Gray-bellied Night Monkey vs Long-eared Owl

Aotus lemurinus compared with Asio otus

Key Differences

• Gray-bellied Night Monkey is Vulnerable while Long-eared Owl is Data Deficient.

Taxonomic Classification

Rank	Gray-bellied Night Monkey	Long-eared Owl
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Primates (Primates)	Strigiformes (Owls)
Family	Aotidae	Strigidae (True Owls)
Genus	Aotus	Asio
Species	Aotus lemurinus	Asio otus

Evolutionary Relationship

Gray-bellied Night Monkey and Long-eared Owl share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Gray-bellied Night Monkey

VU — Vulnerable

Long-eared Owl

DD — Data Deficient

Physical Characteristics

Attribute	Gray-bellied Night Monkey	Long-eared Owl
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.

Long-eared Owl

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Found across Europe (5 countries) and North America (United States).

Long-eared Owl

Long-eared Owl (Asio otus) is classified as Data Deficient (DD) on the IUCN Red List. Insufficient data available to assess extinction risk. Further research and field surveys are needed.