Lesser Noctule vs Weeping Widow

Nyctalus leisleri compared with Lacrymaria lacrymabunda

Key Differences

• Lesser Noctule is Endangered while Weeping Widow is Least Concern.

Taxonomic Classification

Rank	Lesser Noctule	Weeping Widow
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Basidiomycota (Club Fungi)
Class	Mammalia (Mammals)	Agaricomycetes (Mushrooms)
Order	Chiroptera (Bats)	Agaricales (Gilled Mushrooms)
Family	Vespertilionidae	Psathyrellaceae
Genus	Nyctalus	Lacrymaria
Species	Nyctalus leisleri	Lacrymaria lacrymabunda

Conservation Status

Lesser Noctule

EN — Endangered

Weeping Widow

LC — Least Concern

Physical Characteristics

Attribute	Lesser Noctule	Weeping Widow
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.

Weeping Widow

Habitat

Typically found in forest floors, decomposing wood, and soil ecosystems.

Range

Widely distributed across Asia (Taiwan), Europe (5 countries), and North America (United States).

Shared Countries

Both species can be found in 3 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇸🇪 Sweden