Lesser Noctule vs Red birch slender

Nyctalus leisleri compared with Caloptilia betulicola

Key Differences

• Lesser Noctule is Endangered while Red birch slender is Least Concern.

Taxonomic Classification

Rank	Lesser Noctule	Red birch slender
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Chiroptera (Bats)	Lepidoptera (Butterflies & Moths)
Family	Vespertilionidae	Gracillariidae
Genus	Nyctalus	Caloptilia
Species	Nyctalus leisleri	Caloptilia betulicola

Evolutionary Relationship

Lesser Noctule and Red birch slender share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Lesser Noctule

EN — Endangered

Red birch slender

LC — Least Concern

Physical Characteristics

Attribute	Lesser Noctule	Red birch slender
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.

Red birch slender

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Asia (Japan) and Europe (5 countries).

Shared Countries

Both species can be found in 3 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇸🇪 Sweden