Atlantic Ancula vs Eurasian Wigeon

Ancula gibbosa compared with Mareca penelope

Key Differences

• Atlantic Ancula is Least Concern while Eurasian Wigeon is Vulnerable.

Taxonomic Classification

Rank	Atlantic Ancula	Eurasian Wigeon
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Gastropoda (Gastropoda)	Aves (Birds)
Order	Nudibranchia (Nudibranchia)	Anseriformes (Anseriformes)
Family	Goniodorididae	Anatidae
Genus	Ancula	Mareca
Species	Ancula gibbosa	Mareca penelope

Evolutionary Relationship

Atlantic Ancula and Eurasian Wigeon share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Atlantic Ancula

LC — Least Concern

Eurasian Wigeon

VU — Vulnerable

Physical Characteristics

Attribute	Atlantic Ancula	Eurasian Wigeon
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Atlantic Ancula

Habitat

Typically found in terrestrial and aquatic habitats including forests and freshwater.

Range

Distributed across Denmark, Norway, and Sweden.

Eurasian Wigeon

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), and North America (United States). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Atlantic Ancula

The Atlantic Ancula (Ancula gibbosa) is a species in the genus Ancula. It is currently classified as Least Concern on the IUCN Red List. Typically found in terrestrial and aquatic habitats including forests and freshwater.

Eurasian Wigeon

Eurasian Wigeon (Mareca penelope) 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.

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden