Riesenabendsegler vs Kleiner Abendsegler

Nyctalus lasiopterus compared with Nyctalus leisleri

Key Differences

• Riesenabendsegler is Not Evaluated while Kleiner Abendsegler is Endangered.

Taxonomic Classification

Rank	Riesenabendsegler	Kleiner Abendsegler
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum same	Chordata (Chordatiere)	Chordata (Chordatiere)
Class same	Mammalia (Säugetiere)	Mammalia (Säugetiere)
Order same	Chiroptera (Fledertiere)	Chiroptera (Fledertiere)
Family same	Vespertilionidae	Vespertilionidae
Genus same	Nyctalus	Nyctalus
Species	Nyctalus lasiopterus	Nyctalus leisleri

Evolutionary Relationship

Riesenabendsegler and Kleiner Abendsegler share a common ancestor at the Genus level: Nyctalus.

Conservation Status

Riesenabendsegler

NE — Not Evaluated

Kleiner Abendsegler

EN — Endangered

Physical Characteristics

Attribute	Riesenabendsegler	Kleiner Abendsegler
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Riesenabendsegler

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Belgium and Ukraine.

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 2 countries:

🇧🇪 Belgium 🇺🇦 Ukraine