Birch Bent-wing vs Lesser Noctule

Bucculatrix demaryella compared with Nyctalus leisleri

Key Differences

• Birch Bent-wing is Least Concern while Lesser Noctule is Endangered.

Taxonomic Classification

Rank	Birch Bent-wing	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	Bucculatricidae	Vespertilionidae
Genus	Bucculatrix	Nyctalus
Species	Bucculatrix demaryella	Nyctalus leisleri

Evolutionary Relationship

Birch Bent-wing and Lesser Noctule share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Birch Bent-wing

LC — Least Concern

Lesser Noctule

EN — Endangered

Physical Characteristics

Attribute	Birch Bent-wing	Lesser Noctule
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Birch Bent-wing

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

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.

Birch Bent-wing

The Birch Bent-wing (Bucculatrix demaryella) is a species in the genus Bucculatrix. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

Shared Countries

Both species can be found in 3 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇸🇪 Sweden