Big-eared opossum vs eccentric grass snail

Didelphis aurita compared with Vallonia excentrica

Key Differences

• Big-eared opossum is Least Concern while eccentric grass snail is Near Threatened.

Taxonomic Classification

Rank	Big-eared opossum	eccentric grass snail
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Mollusca (Mollusks)
Class	Mammalia (Mammals)	Gastropoda (Gastropoda)
Order	Didelphimorphia (Didelphimorphia)	Stylommatophora (Stylommatophora)
Family	Didelphidae	Valloniidae
Genus	Didelphis	Vallonia
Species	Didelphis aurita	Vallonia excentrica

Evolutionary Relationship

Big-eared opossum and eccentric grass snail share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Big-eared opossum

LC — Least Concern

eccentric grass snail

NT — Near Threatened

Physical Characteristics

Attribute	Big-eared opossum	eccentric grass snail
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Big-eared opossum

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.

Big-eared opossum

The Big-eared opossum (Didelphis aurita) is a species in the genus Didelphis. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.