Lesser Noctule vs small tortoiseshell

Nyctalus leisleri compared with Aglais urticae

Key Differences

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

Taxonomic Classification

Rank	Lesser Noctule	small tortoiseshell
Kingdom same	Animalia (hewan)	Animalia (hewan)
Phylum	Chordata (Chordates)	Arthropoda (Artropoda)
Class	Mammalia (mamalia)	Insecta (serangga)
Order	Chiroptera (Kelelawar)	Lepidoptera (Butterflies & Moths)
Family	Vespertilionidae	Nymphalidae (Brush-footed Butterflies)
Genus	Nyctalus	Aglais
Species	Nyctalus leisleri	Aglais urticae

Evolutionary Relationship

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

Conservation Status

Lesser Noctule

EN — Endangered

small tortoiseshell

NT — Near Threatened

Physical Characteristics

Attribute	Lesser Noctule	small tortoiseshell
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 tortoiseshell

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (41 countries). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

small tortoiseshell

small tortoiseshell (Aglais urticae) 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