Lesser Noctule vs Oak Processionea

Nyctalus leisleri compared with Thaumetopoea processionea

Key Differences

• Lesser Noctule is Endangered while Oak Processionea is Not Evaluated.

Taxonomic Classification

Rank	Lesser Noctule	Oak Processionea
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Chiroptera (Bats)	Lepidoptera (Butterflies & Moths)
Family	Vespertilionidae	Notodontidae
Genus	Nyctalus	Thaumetopoea
Species	Nyctalus leisleri	Thaumetopoea processionea

Evolutionary Relationship

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

Conservation Status

Lesser Noctule

EN — Endangered

Oak Processionea

NE — Not Evaluated

Physical Characteristics

Attribute	Lesser Noctule	Oak Processionea
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.

Oak Processionea

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (7 countries).

Shared Countries

Both species can be found in 3 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇸🇪 Sweden