milk snail vs Noctule

Otala lactea compared with Nyctalus noctula

Key Differences

• milk snail is Not Evaluated while Noctule is Vulnerable.

Taxonomic Classification

Rank	milk snail	Noctule
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Gastropoda (Gastropoda)	Mammalia (Mammals)
Order	Stylommatophora (Stylommatophora)	Chiroptera (Bats)
Family	Helicidae	Vespertilionidae
Genus	Otala	Nyctalus
Species	Otala lactea	Nyctalus noctula

Evolutionary Relationship

milk snail and Noctule share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

milk snail

NE — Not Evaluated

Noctule

VU — Vulnerable

Physical Characteristics

Attribute	milk snail	Noctule
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

milk snail

Habitat

Typically found in terrestrial and aquatic habitats including forests and freshwater.

Range

Widely distributed across Europe (5 countries), North America (Mexico, United States), and South America (Argentina, Chile, Paraguay).

Noctule

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found across Europe (6 countries). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Noctule

Noctule (Nyctalus noctula) is classified as Vulnerable (VU) on the IUCN Red List. Facing a high risk of endangerment in the wild, with declining populations and increasing habitat pressure.

Shared Countries

Both species can be found in 3 countries:

🇧🇪 Belgium 🇳🇴 Norway 🇸🇪 Sweden