Fen Roller vs Lesser Noctule

Ancylis paludana compared with Nyctalus leisleri

Key Differences

• Fen Roller is Near Threatened while Lesser Noctule is Endangered.

Taxonomic Classification

Rank	Fen Roller	Lesser Noctule
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (artrópode)	Chordata (cordados)
Class	Insecta (inseto)	Mammalia (mamíferos)
Order	Lepidoptera (Butterflies & Moths)	Chiroptera (morcego)
Family	Tortricidae	Vespertilionidae
Genus	Ancylis	Nyctalus
Species	Ancylis paludana	Nyctalus leisleri

Evolutionary Relationship

Fen Roller and Lesser Noctule share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Fen Roller

NT — Near Threatened

Lesser Noctule

EN — Endangered

Physical Characteristics

Attribute	Fen Roller	Lesser Noctule
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Fen Roller

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.

Shared Countries

Both species can be found in 3 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇸🇪 Sweden