Gray-bellied Night Monkey vs Richardson’s Willow

Aotus lemurinus compared with Salix richardsonii

Key Differences

• Gray-bellied Night Monkey is Vulnerable while Richardson’s Willow is Least Concern.

Taxonomic Classification

Rank	Gray-bellied Night Monkey	Richardson’s Willow
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Magnoliophyta (Flowering Plants)
Class	Mammalia (Mammals)	Magnoliopsida (Dicots)
Order	Primates (Primates)	Malpighiales (Malpighiales)
Family	Aotidae	Salicaceae
Genus	Aotus	Salix
Species	Aotus lemurinus	Salix richardsonii

Conservation Status

Gray-bellied Night Monkey

VU — Vulnerable

Richardson’s Willow

LC — Least Concern

Physical Characteristics

Attribute	Gray-bellied Night Monkey	Richardson’s Willow
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.

Richardson’s Willow

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Distributed across Canada and Norway.