Gray-bellied Night Monkey vs Thick-billed Spiderhunter

Aotus lemurinus compared with Arachnothera crassirostris

Key Differences

• Gray-bellied Night Monkey is Vulnerable while Thick-billed Spiderhunter is Least Concern.

Taxonomic Classification

Rank	Gray-bellied Night Monkey	Thick-billed Spiderhunter
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Primates (Primates)	Passeriformes (Songbirds)
Family	Aotidae	Nectariniidae
Genus	Aotus	Arachnothera
Species	Aotus lemurinus	Arachnothera crassirostris

Evolutionary Relationship

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

Conservation Status

Gray-bellied Night Monkey

VU — Vulnerable

Thick-billed Spiderhunter

LC — Least Concern

Physical Characteristics

Attribute	Gray-bellied Night Monkey	Thick-billed Spiderhunter
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.

Thick-billed Spiderhunter

Habitat

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

Range

Found in Norway.