Kleiner Abendsegler vs Breitflügelfledermaus

Nyctalus leisleri compared with Eptesicus serotinus

Key Differences

• Kleiner Abendsegler is Endangered while Breitflügelfledermaus is Vulnerable.

Taxonomic Classification

Rank	Kleiner Abendsegler	Breitflügelfledermaus
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	Nyctalus	Eptesicus
Species	Nyctalus leisleri	Eptesicus serotinus

Evolutionary Relationship

Kleiner Abendsegler and Breitflügelfledermaus share a common ancestor at the Family level: Vespertilionidae.

Conservation Status

Kleiner Abendsegler

EN — Endangered

Breitflügelfledermaus

VU — Vulnerable

Physical Characteristics

Attribute	Kleiner Abendsegler	Breitflügelfledermaus
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.

Breitflügelfledermaus

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found across Europe (7 countries). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Breitflügelfledermaus

Serotine (Eptesicus serotinus) is classified as Vulnerable (VU) on the IUCN Red List. Facing a high risk of endangerment in the wild, with declining populations and increasing habitat pressure.

Shared Countries

Both species can be found in 5 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇱🇺 Luxembourg 🇸🇪 Sweden 🇺🇦 Ukraine