Gray-bellied Night Monkey vs Pied Triller

Aotus lemurinus compared with Lalage nigra

Key Differences

• Gray-bellied Night Monkey is Vulnerable while Pied Triller is Least Concern.

Taxonomic Classification

Rank	Gray-bellied Night Monkey	Pied Triller
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Primates (Primates)	Passeriformes (Songbirds)
Family	Aotidae	Campephagidae
Genus	Aotus	Lalage
Species	Aotus lemurinus	Lalage nigra

Evolutionary Relationship

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

Conservation Status

Gray-bellied Night Monkey

VU — Vulnerable

Pied Triller

LC — Least Concern

Physical Characteristics

Attribute	Gray-bellied Night Monkey	Pied Triller
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.

Pied Triller

Habitat

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

Range

Distributed across Norway and Taiwan.