Eastern Eggar vs Lesser Noctule

Eriogaster catax compared with Nyctalus leisleri

Key Differences

• Eastern Eggar is Data Deficient while Lesser Noctule is Endangered.

Taxonomic Classification

Rank	Eastern Eggar	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	Lasiocampidae	Vespertilionidae
Genus	Eriogaster	Nyctalus
Species	Eriogaster catax	Nyctalus leisleri

Evolutionary Relationship

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

Conservation Status

Eastern Eggar

DD — Data Deficient

Lesser Noctule

EN — Endangered

Physical Characteristics

Attribute	Eastern Eggar	Lesser Noctule
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Eastern Eggar

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium and Ukraine.

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 2 countries:

🇧🇪 Belgium 🇺🇦 Ukraine