Lesser Noctule vs Small red slender

Nyctalus leisleri compared with Caloptilia rufipennella

Key Differences

• Lesser Noctule is Endangered while Small red slender is Not Evaluated.

Taxonomic Classification

Rank	Lesser Noctule	Small red slender
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Chiroptera (Bats)	Lepidoptera (Butterflies & Moths)
Family	Vespertilionidae	Gracillariidae
Genus	Nyctalus	Caloptilia
Species	Nyctalus leisleri	Caloptilia rufipennella

Evolutionary Relationship

Lesser Noctule and Small red slender share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Lesser Noctule

EN — Endangered

Small red slender

NE — Not Evaluated

Physical Characteristics

Attribute	Lesser Noctule	Small red slender
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.

Small red slender

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (7 countries).

Shared Countries

Both species can be found in 3 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇸🇪 Sweden