Gray-bellied Night Monkey vs Long-tailed Widowbird

Aotus lemurinus compared with Euplectes progne

Key Differences

• Gray-bellied Night Monkey is Vulnerable while Long-tailed Widowbird is Least Concern.

Taxonomic Classification

Rank	Gray-bellied Night Monkey	Long-tailed Widowbird
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Primates (Primates)	Passeriformes (Songbirds)
Family	Aotidae	Ploceidae
Genus	Aotus	Euplectes
Species	Aotus lemurinus	Euplectes progne

Evolutionary Relationship

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

Conservation Status

Gray-bellied Night Monkey

VU — Vulnerable

Long-tailed Widowbird

LC — Least Concern

Physical Characteristics

Attribute	Gray-bellied Night Monkey	Long-tailed Widowbird
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-tailed Widowbird

Habitat

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

Range

Distributed across Belgium, France, Netherlands, Norway, and United Kingdom.