Red-billed Duck vs Redhead

Anas erythrorhyncha compared with Aythya americana

Key Differences

• Red-billed Duck is Least Concern while Redhead is Not Evaluated.

Taxonomic Classification

Rank	Red-billed Duck	Redhead
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Aves (Birds)	Aves (Birds)
Order same	Anseriformes (Anseriformes)	Anseriformes (Anseriformes)
Family same	Anatidae	Anatidae
Genus	Anas	Aythya
Species	Anas erythrorhyncha	Aythya americana

Evolutionary Relationship

Red-billed Duck and Redhead share a common ancestor at the Family level: Anatidae.

Conservation Status

Red-billed Duck

LC — Least Concern

Redhead

NE — Not Evaluated

Physical Characteristics

Attribute	Red-billed Duck	Redhead
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Red-billed Duck

Habitat

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

Range

Found across Europe (6 countries) and South America (Ecuador).

Redhead

Habitat

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

Range

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

Red-billed Duck

Red-billed Duck (Anas erythrorhyncha) 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.

Redhead

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 6 countries:

🇧🇪 Belgium 🇫🇷 France 🇩🇪 Germany 🇳🇱 Netherlands 🇳🇴 Norway 🇬🇧 United Kingdom