Kleiner Abendsegler vs Spiny Bollworm

Nyctalus leisleri compared with Earias biplaga

Key Differences

• Kleiner Abendsegler is Endangered while Spiny Bollworm is Not Evaluated.

Taxonomic Classification

Rank	Kleiner Abendsegler	Spiny Bollworm
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum	Chordata (Chordatiere)	Arthropoda (Gliederfüßer)
Class	Mammalia (Säugetiere)	Insecta (Insekten)
Order	Chiroptera (Fledertiere)	Lepidoptera (Schmetterlinge)
Family	Vespertilionidae	Nolidae
Genus	Nyctalus	Earias
Species	Nyctalus leisleri	Earias biplaga

Evolutionary Relationship

Kleiner Abendsegler and Spiny Bollworm share a common ancestor at the Kingdom level: Animalia. (Tier)

Conservation Status

Kleiner Abendsegler

EN — Endangered

Spiny Bollworm

NE — Not Evaluated

Physical Characteristics

Attribute	Kleiner Abendsegler	Spiny Bollworm
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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.

Spiny Bollworm

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Widely distributed across Africa (9 countries), Asia (Yemen), and Europe (5 countries).

Shared Countries

Both species can be found in 2 countries:

🇧🇪 Belgium 🇩🇰 Denmark