Kleiner Abendsegler vs Rotkopfente

Nyctalus leisleri compared with Aythya americana

Key Differences

• Kleiner Abendsegler is Endangered while Rotkopfente is Not Evaluated.

Taxonomic Classification

Rank	Kleiner Abendsegler	Rotkopfente
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum same	Chordata (Chordatiere)	Chordata (Chordatiere)
Class	Mammalia (Säugetiere)	Aves (Vögel)
Order	Chiroptera (Fledertiere)	Anseriformes (Gänsevögel)
Family	Vespertilionidae	Anatidae
Genus	Nyctalus	Aythya
Species	Nyctalus leisleri	Aythya americana

Evolutionary Relationship

Kleiner Abendsegler and Rotkopfente share a common ancestor at the Phylum level: Chordata. (Chordatiere)

Conservation Status

Kleiner Abendsegler

EN — Endangered

Rotkopfente

NE — Not Evaluated

Physical Characteristics

Attribute	Kleiner Abendsegler	Rotkopfente
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.

Rotkopfente

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Found across Europe (7 countries) and North America (United States).

Rotkopfente

Redhead (Aythya americana) is classified as Not Evaluated (NE) on the IUCN Red List. Not yet evaluated against IUCN Red List criteria. Conservation status remains to be determined.

Shared Countries

Both species can be found in 2 countries:

🇧🇪 Belgium 🇸🇪 Sweden