Kleine Bergente vs Rotkopfente

Aythya affinis compared with Aythya americana

Key Differences

• Kleine Bergente is Least Concern while Rotkopfente is Not Evaluated.

Taxonomic Classification

Rank	Kleine Bergente	Rotkopfente
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum same	Chordata (Chordatiere)	Chordata (Chordatiere)
Class same	Aves (Vögel)	Aves (Vögel)
Order same	Anseriformes (Gänsevögel)	Anseriformes (Gänsevögel)
Family same	Anatidae	Anatidae
Genus same	Aythya	Aythya
Species	Aythya affinis	Aythya americana

Evolutionary Relationship

Kleine Bergente and Rotkopfente share a common ancestor at the Genus level: Aythya.

Conservation Status

Kleine Bergente

LC — Least Concern

Rotkopfente

NE — Not Evaluated

Physical Characteristics

Attribute	Kleine Bergente	Rotkopfente
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Kleine Bergente

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), North America (United States), and South America (Colombia, Ecuador, Venezuela).

Rotkopfente

Habitat

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

Range

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

Kleine Bergente

Lesser Scaup (Aythya affinis) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.

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 4 countries:

🇧🇪 Belgium 🇳🇴 Norway 🇸🇪 Sweden 🇺🇸 United States