Lesser Noctule vs Stalked Rosette

Nyctalus leisleri compared with Cotylidia undulata

Key Differences

• Lesser Noctule is Endangered while Stalked Rosette is Data Deficient.

Taxonomic Classification

Rank	Lesser Noctule	Stalked Rosette
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Basidiomycota (Club Fungi)
Class	Mammalia (Mammals)	Agaricomycetes (Mushrooms)
Order	Chiroptera (Bats)	Hymenochaetales (Hymenochaetales)
Family	Vespertilionidae	Rickenellaceae
Genus	Nyctalus	Cotylidia
Species	Nyctalus leisleri	Cotylidia undulata

Conservation Status

Lesser Noctule

EN — Endangered

Stalked Rosette

DD — Data Deficient

Physical Characteristics

Attribute	Lesser Noctule	Stalked Rosette
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.

Stalked Rosette

Habitat

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

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

Shared Countries

Both species can be found in 3 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇸🇪 Sweden