Durham slug vs Laysan Duck

Arion flagellus compared with Anas laysanensis

Key Differences

• Durham slug is Least Concern while Laysan Duck is Critically Endangered.

Taxonomic Classification

Rank	Durham slug	Laysan Duck
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Gastropoda (Gastropoda)	Aves (Birds)
Order	Stylommatophora (Stylommatophora)	Anseriformes (Anseriformes)
Family	Arionidae	Anatidae
Genus	Arion	Anas
Species	Arion flagellus	Anas laysanensis

Evolutionary Relationship

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

Conservation Status

Durham slug

LC — Least Concern

Laysan Duck

CR — Critically Endangered

Physical Characteristics

Attribute	Durham slug	Laysan Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Durham slug

Habitat

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

Range

Found across Africa (South Africa) and Europe (6 countries).

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 4 countries:

🇧🇪 Belgium 🇫🇷 France 🇳🇱 Netherlands 🇬🇧 United Kingdom