Birch Bent-wing vs Noctule

Bucculatrix demaryella compared with Nyctalus noctula

Key Differences

• Birch Bent-wing is Least Concern while Noctule is Vulnerable.

Taxonomic Classification

Rank	Birch Bent-wing	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 noctula

Evolutionary Relationship

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

Conservation Status

Birch Bent-wing

LC — Least Concern

Noctule

VU — Vulnerable

Physical Characteristics

Attribute	Birch Bent-wing	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.

Noctule

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found across Europe (6 countries). Currently classified as Vulnerable 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.

Noctule

Noctule (Nyctalus noctula) is classified as Vulnerable (VU) on the IUCN Red List. Facing a high risk of endangerment in the wild, with declining populations and increasing habitat pressure.

Shared Countries

Both species can be found in 4 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden