Bufflehead vs European otter

Bucephala albeola compared with Lutra lutra

Key Differences

• Bufflehead is Not Evaluated while European otter is Vulnerable.

Taxonomic Classification

Rank	Bufflehead	European otter
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Anseriformes (Anseriformes)	Carnivora (Carnivorans)
Family	Anatidae	Mustelidae (Weasels & Otters)
Genus	Bucephala	Lutra (Otters)
Species	Bucephala albeola	Lutra lutra

Evolutionary Relationship

Bufflehead and European otter share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Bufflehead

NE — Not Evaluated

European otter

VU — Vulnerable

Trend: Stable →

Physical Characteristics

Attribute	Bufflehead	European otter
Diet	—	Carnivore
Average Lifespan	—	10 years
Average Length	—	1.0 m
Average Weight	—	10.0 kg

Habitat & Geographic Range

Bufflehead

Habitat

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

Range

Found across Europe (11 countries) and North America (United States).

European otter

Habitat

Typically found in diverse ecosystems where prey species are available.

Range

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

Bufflehead

Bufflehead (Bucephala albeola) 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.

European otter

Sleek semi-aquatic mustelid found along clean rivers, streams, and coastlines across Europe and Asia. European otters can reach 1.3 meters in length and are highly skilled fish hunters, using sensitive whiskers to detect prey movements. Requiring unpolluted water with abundant fish, they are an indicator species for freshwater ecosystem health. Once nearly extinct in Western Europe from hunting and pollution, populations have recovered significantly following water quality improvements.

Shared Countries

Both species can be found in 4 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden