black slug vs Red-billed Duck

Milax nigricans compared with Anas erythrorhyncha

Key Differences

• black slug is Not Evaluated while Red-billed Duck is Least Concern.

Taxonomic Classification

Rank	black slug	Red-billed Duck
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Gastropoda (Gastropoda)	Aves (Birds)
Order	Stylommatophora (Stylommatophora)	Anseriformes (Anseriformes)
Family	Milacidae	Anatidae
Genus	Milax	Anas
Species	Milax nigricans	Anas erythrorhyncha

Evolutionary Relationship

black slug and Red-billed Duck share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

black slug

NE — Not Evaluated

Red-billed Duck

LC — Least Concern

Physical Characteristics

Attribute	black slug	Red-billed Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

black slug

Habitat

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

Range

Found across Europe (8 countries).

Red-billed Duck

Habitat

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

Range

Found across Europe (6 countries) and South America (Ecuador).

black slug

The Black slug (Milax nigricans) is a species in the genus Milax. Typically found in terrestrial and aquatic habitats including forests and freshwater.

Red-billed Duck

Red-billed Duck (Anas erythrorhyncha) 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 5 countries:

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