Brown Skua vs Laysan Duck

Stercorarius antarcticus compared with Anas laysanensis

Key Differences

• Brown Skua is Not Evaluated while Laysan Duck is Critically Endangered.

Taxonomic Classification

Rank	Brown Skua	Laysan Duck
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Aves (Birds)	Aves (Birds)
Order	Charadriiformes (Charadriiformes)	Anseriformes (Anseriformes)
Family	Stercorariidae	Anatidae
Genus	Stercorarius	Anas
Species	Stercorarius antarcticus	Anas laysanensis

Evolutionary Relationship

Brown Skua and Laysan Duck share a common ancestor at the Class level: Aves. (Birds)

Conservation Status

Brown Skua

NE — Not Evaluated

Laysan Duck

CR — Critically Endangered

Physical Characteristics

Attribute	Brown Skua	Laysan Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Brown Skua

Habitat

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

Range

Found in Norway.

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.

Brown Skua

The Brown Skua (Stercorarius antarcticus) is a species in the genus Stercorarius. Typically found in various aerial, terrestrial, and aquatic environments. Found in Norway. As a member of the genus Stercorarius, it shares characteristics with related species within this taxonomic group.

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 1 countries:

🇳🇴 Norway