Lesser Noctule vs Willow Mildew

Nyctalus leisleri compared with Erysiphe adunca

Key Differences

• Lesser Noctule is Endangered while Willow Mildew is Not Evaluated.

Taxonomic Classification

Rank	Lesser Noctule	Willow Mildew
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Ascomycota (Sac Fungi)
Class	Mammalia (Mammals)	Leotiomycetes (Leotiomycetes)
Order	Chiroptera (Bats)	Helotiales (Helotiales)
Family	Vespertilionidae	Erysiphaceae
Genus	Nyctalus	Erysiphe
Species	Nyctalus leisleri	Erysiphe adunca

Conservation Status

Lesser Noctule

EN — Endangered

Willow Mildew

NE — Not Evaluated

Physical Characteristics

Attribute	Lesser Noctule	Willow Mildew
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.

Willow Mildew

Habitat

Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Belgium, Denmark, Norway, Sweden, and United States.

Shared Countries

Both species can be found in 3 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇸🇪 Sweden