Green-Underside Blue vs Lesser Noctule

Glaucopsyche alexis compared with Nyctalus leisleri

Key Differences

• Green-Underside Blue is Near Threatened while Lesser Noctule is Endangered.

Taxonomic Classification

Rank	Green-Underside Blue	Lesser Noctule
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Mammalia (Mammals)
Order	Lepidoptera (Butterflies & Moths)	Chiroptera (Bats)
Family	Lycaenidae	Vespertilionidae
Genus	Glaucopsyche	Nyctalus
Species	Glaucopsyche alexis	Nyctalus leisleri

Evolutionary Relationship

Green-Underside Blue and Lesser Noctule share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Green-Underside Blue

NT — Near Threatened

Lesser Noctule

EN — Endangered

Physical Characteristics

Attribute	Green-Underside Blue	Lesser Noctule
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Green-Underside Blue

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (37 countries). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.

Shared Countries

Both species can be found in 5 countries:

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