Gray-bellied Night Monkey vs Ridgway's Rail

Aotus lemurinus compared with Rallus obsoletus

Key Differences

• Gray-bellied Night Monkey is Vulnerable while Ridgway's Rail is Near Threatened.

Taxonomic Classification

Rank	Gray-bellied Night Monkey	Ridgway's Rail
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Primates (Primates)	Gruiformes (Gruiformes)
Family	Aotidae	Rallidae
Genus	Aotus	Rallus
Species	Aotus lemurinus	Rallus obsoletus

Evolutionary Relationship

Gray-bellied Night Monkey and Ridgway's Rail share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Gray-bellied Night Monkey

VU — Vulnerable

Ridgway's Rail

NT — Near Threatened

Physical Characteristics

Attribute	Gray-bellied Night Monkey	Ridgway's Rail
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.

Ridgway's Rail

Habitat

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

Range

Found in Norway. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.