Lesser Noctule vs Willow Pigmy

Nyctalus leisleri compared with Stigmella obliquella

Key Differences

• Lesser Noctule is Endangered while Willow Pigmy is Least Concern.

Taxonomic Classification

Rank	Lesser Noctule	Willow Pigmy
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Chiroptera (Bats)	Lepidoptera (Butterflies & Moths)
Family	Vespertilionidae	Nepticulidae
Genus	Nyctalus	Stigmella
Species	Nyctalus leisleri	Stigmella obliquella

Evolutionary Relationship

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

Conservation Status

Lesser Noctule

EN — Endangered

Willow Pigmy

LC — Least Concern

Physical Characteristics

Attribute	Lesser Noctule	Willow Pigmy
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.

Willow Pigmy

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

Shared Countries

Both species can be found in 3 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇸🇪 Sweden