Lesser Noctule vs Sowerby's keeled slug

Nyctalus leisleri compared with Tandonia sowerbyi

Key Differences

• Lesser Noctule is Endangered while Sowerby's keeled slug is Data Deficient.

Taxonomic Classification

Rank	Lesser Noctule	Sowerby's keeled slug
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Mollusca (Mollusks)
Class	Mammalia (Mammals)	Gastropoda (Gastropoda)
Order	Chiroptera (Bats)	Stylommatophora (Stylommatophora)
Family	Vespertilionidae	Milacidae
Genus	Nyctalus	Tandonia
Species	Nyctalus leisleri	Tandonia sowerbyi

Evolutionary Relationship

Lesser Noctule and Sowerby's keeled slug share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Lesser Noctule

EN — Endangered

Sowerby's keeled slug

DD — Data Deficient

Physical Characteristics

Attribute	Lesser Noctule	Sowerby's keeled slug
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Lesser Noctule

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Belgium, Denmark, Luxembourg, Sweden, and Ukraine. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Sowerby's keeled slug

Habitat

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

Range

Found across Europe (10 countries) and Oceania and the Pacific (New Zealand).

Shared Countries

Both species can be found in 1 countries:

🇧🇪 Belgium