Gray-bellied Night Monkey vs Rufous-naped Ground-Tyrant

Aotus lemurinus compared with Muscisaxicola rufivertex

Key Differences

• Gray-bellied Night Monkey is Vulnerable while Rufous-naped Ground-Tyrant is Least Concern.

Taxonomic Classification

Rank	Gray-bellied Night Monkey	Rufous-naped Ground-Tyrant
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Primates (Primates)	Passeriformes (Songbirds)
Family	Aotidae	Tyrannidae
Genus	Aotus	Muscisaxicola
Species	Aotus lemurinus	Muscisaxicola rufivertex

Evolutionary Relationship

Gray-bellied Night Monkey and Rufous-naped Ground-Tyrant share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Gray-bellied Night Monkey

VU — Vulnerable

Rufous-naped Ground-Tyrant

LC — Least Concern

Physical Characteristics

Attribute	Gray-bellied Night Monkey	Rufous-naped Ground-Tyrant
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.

Rufous-naped Ground-Tyrant

Habitat

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

Range

Found in Norway.