Goose Barnacle vs Laysan Duck

Lepas anserifera compared with Anas laysanensis

Key Differences

• Goose Barnacle is Not Evaluated while Laysan Duck is Critically Endangered.

Taxonomic Classification

Rank	Goose Barnacle	Laysan Duck
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Maxillopoda (Maxillopoda)	Aves (Birds)
Order	Pedunculata (Pedunculata)	Anseriformes (Anseriformes)
Family	Lepadidae	Anatidae
Genus	Lepas	Anas
Species	Lepas anserifera	Anas laysanensis

Evolutionary Relationship

Goose Barnacle and Laysan Duck share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Goose Barnacle

NE — Not Evaluated

Laysan Duck

CR — Critically Endangered

Physical Characteristics

Attribute	Goose Barnacle	Laysan Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Goose Barnacle

Habitat

Native to Asia and Europe and Oceania, inhabiting ecosystems characteristic of the region.

Range

Widely distributed across Asia (Taiwan), Europe (5 countries), and Oceania and the Pacific (Australia).

Laysan Duck

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and Mediterranean forests and woodlands within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Belgium, France, Netherlands, Norway, and United Kingdom. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Laysan Duck

Laysan Duck (Anas laysanensis) is classified as Critically Endangered (CR) on the IUCN Red List. Facing an extremely high risk of extinction in the wild due to severe population decline and habitat loss.

Shared Countries

Both species can be found in 2 countries:

🇧🇪 Belgium 🇳🇴 Norway