Gray-bellied Night Monkey vs Ruddy Turnstone

Aotus lemurinus compared with Arenaria interpres

Key Differences

• Gray-bellied Night Monkey is Vulnerable while Ruddy Turnstone is Least Concern.

Taxonomic Classification

Rank	Gray-bellied Night Monkey	Ruddy Turnstone
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Primates (Primates)	Charadriiformes (Charadriiformes)
Family	Aotidae	Scolopacidae
Genus	Aotus	Arenaria
Species	Aotus lemurinus	Arenaria interpres

Evolutionary Relationship

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

Conservation Status

Gray-bellied Night Monkey

VU — Vulnerable

Ruddy Turnstone

LC — Least Concern

Physical Characteristics

Attribute	Gray-bellied Night Monkey	Ruddy Turnstone
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.

Ruddy Turnstone

Habitat

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

Range

Widely distributed across Europe (4 countries), North America (United States), and South America (Colombia, Ecuador, Venezuela).

Ruddy Turnstone

Ruddy Turnstone (Arenaria interpres) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.

Shared Countries

Both species can be found in 3 countries:

🇨🇴 Colombia 🇪🇨 Ecuador 🇻🇪 Venezuela