Kleiner Abendsegler vs Little Black Serotine

Nyctalus leisleri compared with Eptesicus andinus

Key Differences

• Kleiner Abendsegler is Endangered while Little Black Serotine is Least Concern.

Taxonomic Classification

Rank	Kleiner Abendsegler	Little Black Serotine
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 andinus

Evolutionary Relationship

Kleiner Abendsegler and Little Black Serotine share a common ancestor at the Family level: Vespertilionidae.

Conservation Status

Kleiner Abendsegler

EN — Endangered

Little Black Serotine

LC — Least Concern

Physical Characteristics

Attribute	Kleiner Abendsegler	Little Black Serotine
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.

Little Black Serotine

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela.