Eurasian beaver vs Американский красноголовый нырок

Castor fiber compared with Aythya americana

Key Differences

• Eurasian beaver is Vulnerable while Американский красноголовый нырок is Not Evaluated.

Taxonomic Classification

Rank	Eurasian beaver	Американский красноголовый нырок
Kingdom same	Animalia (животные)	Animalia (животные)
Phylum same	Chordata (хордовые)	Chordata (хордовые)
Class	Mammalia (млекопитающие)	Aves (птицы)
Order	Rodentia (грызуны)	Anseriformes (гусеобразные)
Family	Castoridae (Beavers)	Anatidae
Genus	Castor (Beavers)	Aythya
Species	Castor fiber	Aythya americana

Evolutionary Relationship

Eurasian beaver and Американский красноголовый нырок share a common ancestor at the Phylum level: Chordata. (хордовые)

Conservation Status

Eurasian beaver

VU — Vulnerable

Американский красноголовый нырок

NE — Not Evaluated

Physical Characteristics

Attribute	Eurasian beaver	Американский красноголовый нырок
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Eurasian beaver

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found across Europe (6 countries). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Американский красноголовый нырок

Habitat

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

Range

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

Eurasian beaver

Eurasian beaver (Castor fiber) 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.

Американский красноголовый нырок

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 3 countries:

🇧🇪 Belgium 🇳🇴 Norway 🇸🇪 Sweden