Black-headed Night Monkey vs eccentric grass snail

Aotus nigriceps compared with Vallonia excentrica

Key Differences

• Black-headed Night Monkey is Least Concern while eccentric grass snail is Near Threatened.

Taxonomic Classification

Rank	Black-headed Night Monkey	eccentric grass snail
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Mollusca (Mollusks)
Class	Mammalia (Mammals)	Gastropoda (Gastropoda)
Order	Primates (Primates)	Stylommatophora (Stylommatophora)
Family	Aotidae	Valloniidae
Genus	Aotus	Vallonia
Species	Aotus nigriceps	Vallonia excentrica

Evolutionary Relationship

Black-headed Night Monkey and eccentric grass snail share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Black-headed Night Monkey

LC — Least Concern

eccentric grass snail

NT — Near Threatened

Physical Characteristics

Attribute	Black-headed Night Monkey	eccentric grass snail
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black-headed Night Monkey

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

eccentric grass snail

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, tundra, and tropical and subtropical moist broadleaf forests, among 5 distinct biome types spanning the Australasia and Oceanian and Palearctic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (Israel), Europe (9 countries), North America (Mexico, United States), and Oceania and the Pacific (New Zealand). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.