Lesser Noctule vs small blue

Nyctalus leisleri compared with Cupido minimus

Key Differences

• Lesser Noctule is Endangered while small blue is Near Threatened.

Taxonomic Classification

Rank	Lesser Noctule	small blue
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Chiroptera (Bats)	Lepidoptera (Butterflies & Moths)
Family	Vespertilionidae	Lycaenidae
Genus	Nyctalus	Cupido
Species	Nyctalus leisleri	Cupido minimus

Evolutionary Relationship

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

Conservation Status

Lesser Noctule

EN — Endangered

small blue

NT — Near Threatened

Physical Characteristics

Attribute	Lesser Noctule	small blue
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 blue

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (39 countries). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

small blue

small blue (Cupido minimus) is classified as Near Threatened (NT) on the IUCN Red List. Close to qualifying as threatened, with populations that may become vulnerable without conservation action.

Shared Countries

Both species can be found in 5 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇱🇺 Luxembourg 🇸🇪 Sweden 🇺🇦 Ukraine