Gray-bellied Night Monkey vs Western Thyme Plume

Aotus lemurinus compared with Merrifieldia tridactyla

Key Differences

• Gray-bellied Night Monkey is Vulnerable while Western Thyme Plume is Near Threatened.

Taxonomic Classification

Rank	Gray-bellied Night Monkey	Western Thyme Plume
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Primates (Primates)	Lepidoptera (Butterflies & Moths)
Family	Aotidae	Pterophoridae
Genus	Aotus	Merrifieldia
Species	Aotus lemurinus	Merrifieldia tridactyla

Evolutionary Relationship

Gray-bellied Night Monkey and Western Thyme Plume share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Gray-bellied Night Monkey

VU — Vulnerable

Western Thyme Plume

NT — Near Threatened

Physical Characteristics

Attribute	Gray-bellied Night Monkey	Western Thyme Plume
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.

Western Thyme Plume

Habitat

Found across multiple habitat types including temperate coniferous forests, temperate broadleaf and mixed forests, and temperate grasslands and steppes, among 6 distinct biome types spanning the Indomalayan and Palearctic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Found across Asia (5 countries) and Europe (28 countries). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.