Lesser Noctule vs Small Eggar

Nyctalus leisleri compared with Eriogaster lanestris

Key Differences

• Lesser Noctule is Endangered while Small Eggar is Vulnerable.

Taxonomic Classification

Rank	Lesser Noctule	Small Eggar
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Chiroptera (Bats)	Lepidoptera (Butterflies & Moths)
Family	Vespertilionidae	Lasiocampidae
Genus	Nyctalus	Eriogaster
Species	Nyctalus leisleri	Eriogaster lanestris

Evolutionary Relationship

Lesser Noctule and Small Eggar share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Lesser Noctule

EN — Endangered

Small Eggar

VU — Vulnerable

Physical Characteristics

Attribute	Lesser Noctule	Small Eggar
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 Eggar

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Shared Countries

Both species can be found in 3 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇸🇪 Sweden