Gray-bellied Night Monkey vs Straight-billed Hermit

Aotus lemurinus compared with Phaethornis bourcieri

Key Differences

• Gray-bellied Night Monkey is Vulnerable while Straight-billed Hermit is Least Concern.

Taxonomic Classification

Rank	Gray-bellied Night Monkey	Straight-billed Hermit
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Primates (Primates)	Apodiformes (Apodiformes)
Family	Aotidae	Trochilidae
Genus	Aotus	Phaethornis
Species	Aotus lemurinus	Phaethornis bourcieri

Evolutionary Relationship

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

Conservation Status

Gray-bellied Night Monkey

VU — Vulnerable

Straight-billed Hermit

LC — Least Concern

Physical Characteristics

Attribute	Gray-bellied Night Monkey	Straight-billed Hermit
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.

Straight-billed Hermit

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

Shared Countries

Both species can be found in 3 countries:

🇨🇴 Colombia 🇪🇨 Ecuador 🇻🇪 Venezuela