Northern Dusky Slug vs Spotted Sandpiper

Arion fuscus compared with Actitis macularius

Key Differences

• Northern Dusky Slug is Data Deficient while Spotted Sandpiper is Least Concern.

Taxonomic Classification

Rank	Northern Dusky Slug	Spotted Sandpiper
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Gastropoda (Gastropoda)	Aves (Birds)
Order	Stylommatophora (Stylommatophora)	Charadriiformes (Charadriiformes)
Family	Arionidae	Scolopacidae
Genus	Arion	Actitis
Species	Arion fuscus	Actitis macularius

Evolutionary Relationship

Northern Dusky Slug and Spotted Sandpiper share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Northern Dusky Slug

DD — Data Deficient

Spotted Sandpiper

LC — Least Concern

Physical Characteristics

Attribute	Northern Dusky Slug	Spotted Sandpiper
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Northern Dusky Slug

Habitat

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

Range

Found across Europe (7 countries).

Spotted Sandpiper

Habitat

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

Range

Widely distributed across Europe (4 countries), North America (United States), and South America (Colombia, Ecuador, Venezuela).

Spotted Sandpiper

Spotted Sandpiper (Actitis macularius) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.

Shared Countries

Both species can be found in 4 countries:

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