Lesser Noctule vs small yellow wave

Nyctalus leisleri compared with Hydrelia flammeolaria

Key Differences

• Lesser Noctule is Endangered while small yellow wave is Least Concern.

Taxonomic Classification

Rank	Lesser Noctule	small yellow wave
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Chiroptera (Bats)	Lepidoptera (Butterflies & Moths)
Family	Vespertilionidae	Geometridae
Genus	Nyctalus	Hydrelia
Species	Nyctalus leisleri	Hydrelia flammeolaria

Evolutionary Relationship

Lesser Noctule and small yellow wave share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Lesser Noctule

EN — Endangered

small yellow wave

LC — Least Concern

Physical Characteristics

Attribute	Lesser Noctule	small yellow wave
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 yellow wave

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

Shared Countries

Both species can be found in 3 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇸🇪 Sweden