Amazon Black Howler vs eccentric grass snail

Alouatta nigerrima compared with Vallonia excentrica

Key Differences

• Amazon Black Howler is Least Concern while eccentric grass snail is Near Threatened.

Taxonomic Classification

Rank	Amazon Black Howler	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	Atelidae	Valloniidae
Genus	Alouatta	Vallonia
Species	Alouatta nigerrima	Vallonia excentrica

Evolutionary Relationship

Amazon Black Howler and eccentric grass snail share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Amazon Black Howler

LC — Least Concern

eccentric grass snail

NT — Near Threatened

Physical Characteristics

Attribute	Amazon Black Howler	eccentric grass snail
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amazon Black Howler

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.

Amazon Black Howler

The Amazon Black Howler (Alouatta nigerrima) is a species in the genus Alouatta. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.