Erlen-Pfeileule vs Kleiner Abendsegler

Acronicta cuspis compared with Nyctalus leisleri

Key Differences

• Erlen-Pfeileule is Least Concern while Kleiner Abendsegler is Endangered.

Taxonomic Classification

Rank	Erlen-Pfeileule	Kleiner Abendsegler
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum	Arthropoda (Gliederfüßer)	Chordata (Chordatiere)
Class	Insecta (Insekten)	Mammalia (Säugetiere)
Order	Lepidoptera (Schmetterlinge)	Chiroptera (Fledertiere)
Family	Noctuidae	Vespertilionidae
Genus	Acronicta	Nyctalus
Species	Acronicta cuspis	Nyctalus leisleri

Evolutionary Relationship

Erlen-Pfeileule and Kleiner Abendsegler share a common ancestor at the Kingdom level: Animalia. (Tier)

Conservation Status

Erlen-Pfeileule

LC — Least Concern

Kleiner Abendsegler

EN — Endangered

Physical Characteristics

Attribute	Erlen-Pfeileule	Kleiner Abendsegler
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Erlen-Pfeileule

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

Kleiner Abendsegler

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