Lesser Noctule vs Silky Ringlet

Nyctalus leisleri compared with Erebia gorge

Key Differences

• Lesser Noctule is Endangered while Silky Ringlet is Least Concern.

Taxonomic Classification

Rank	Lesser Noctule	Silky Ringlet
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Chiroptera (Bats)	Lepidoptera (Butterflies & Moths)
Family	Vespertilionidae	Nymphalidae (Brush-footed Butterflies)
Genus	Nyctalus	Erebia
Species	Nyctalus leisleri	Erebia gorge

Evolutionary Relationship

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

Conservation Status

Lesser Noctule

EN — Endangered

Silky Ringlet

LC — Least Concern

Physical Characteristics

Attribute	Lesser Noctule	Silky Ringlet
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.

Silky Ringlet

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (20 countries).