Lesser Noctule vs Western Dwarf

Nyctalus leisleri compared with Elachista triseriatella

Key Differences

• Lesser Noctule is Endangered while Western Dwarf is Not Evaluated.

Taxonomic Classification

Rank	Lesser Noctule	Western Dwarf
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Chiroptera (Bats)	Lepidoptera (Butterflies & Moths)
Family	Vespertilionidae	Elachistidae
Genus	Nyctalus	Elachista
Species	Nyctalus leisleri	Elachista triseriatella

Evolutionary Relationship

Lesser Noctule and Western Dwarf share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Lesser Noctule

EN — Endangered

Western Dwarf

NE — Not Evaluated

Physical Characteristics

Attribute	Lesser Noctule	Western Dwarf
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.

Western Dwarf

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium and Denmark.

Shared Countries

Both species can be found in 2 countries:

🇧🇪 Belgium 🇩🇰 Denmark