Brown Roll Rim vs Lesser Noctule

Paxillus involutus compared with Nyctalus leisleri

Key Differences

• Brown Roll Rim is Least Concern while Lesser Noctule is Endangered.

Taxonomic Classification

Rank	Brown Roll Rim	Lesser Noctule
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Basidiomycota (Club Fungi)	Chordata (Chordates)
Class	Agaricomycetes (Mushrooms)	Mammalia (Mammals)
Order	Boletales (Boletales)	Chiroptera (Bats)
Family	Paxillaceae	Vespertilionidae
Genus	Paxillus	Nyctalus
Species	Paxillus involutus	Nyctalus leisleri

Conservation Status

Brown Roll Rim

LC — Least Concern

Lesser Noctule

EN — Endangered

Physical Characteristics

Attribute	Brown Roll Rim	Lesser Noctule
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Brown Roll Rim

Habitat

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

Range

Widely distributed across Europe (4 countries), North America (United States), and South America (Brazil, Chile).

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.

Brown Roll Rim

The Brown Roll Rim (Paxillus involutus) is a species in the genus Paxillus. It is currently classified as Least Concern on the IUCN Red List. Typically found in forest floors, decomposing wood, and soil ecosystems.

Shared Countries

Both species can be found in 3 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇸🇪 Sweden