Aspen Roller vs Lesser Noctule

Ancylis laetana compared with Nyctalus leisleri

Key Differences

• Aspen Roller is Least Concern while Lesser Noctule is Endangered.

Taxonomic Classification

Rank	Aspen Roller	Lesser Noctule
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Mammalia (Mammals)
Order	Lepidoptera (Butterflies & Moths)	Chiroptera (Bats)
Family	Tortricidae	Vespertilionidae
Genus	Ancylis	Nyctalus
Species	Ancylis laetana	Nyctalus leisleri

Evolutionary Relationship

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

Conservation Status

Aspen Roller

LC — Least Concern

Lesser Noctule

EN — Endangered

Physical Characteristics

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

Habitat & Geographic Range

Aspen Roller

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

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.

Aspen Roller

The Aspen Roller (Ancylis laetana) is a species in the genus Ancylis. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats. Distributed across Belgium, Denmark, Norway, and Sweden.

Shared Countries

Both species can be found in 3 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇸🇪 Sweden