Black-headed Night Monkey vs Spring vetch

Aotus nigriceps compared with Vicia lathyroides

Key Differences

• Black-headed Night Monkey is Least Concern while Spring vetch is Endangered.

Taxonomic Classification

Rank	Black-headed Night Monkey	Spring vetch
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Magnoliophyta (Flowering Plants)
Class	Mammalia (Mammals)	Magnoliopsida (Dicots)
Order	Primates (Primates)	Fabales (Legumes & Allies)
Family	Aotidae	Fabaceae
Genus	Aotus	Vicia
Species	Aotus nigriceps	Vicia lathyroides

Conservation Status

Black-headed Night Monkey

LC — Least Concern

Spring vetch

EN — Endangered

Physical Characteristics

Attribute	Black-headed Night Monkey	Spring vetch
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black-headed Night Monkey

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Spring vetch

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, temperate broadleaf and mixed forests, and temperate coniferous forests spanning the Indomalayan and Oceanian and Palearctic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (Japan), Europe (6 countries), and North America (Canada, United States). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Black-headed Night Monkey

The Black-headed Night Monkey (Aotus nigriceps) is a species in the genus Aotus. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.