Red-billed Duck vs violet risso

Anas erythrorhyncha compared with Rissoa violacea

Key Differences

• Red-billed Duck is Least Concern while violet risso is Not Evaluated.

Taxonomic Classification

Rank	Red-billed Duck	violet risso
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Mollusca (Mollusks)
Class	Aves (Birds)	Gastropoda (Gastropoda)
Order	Anseriformes (Anseriformes)	Littorinimorpha (Littorinimorpha)
Family	Anatidae	Rissoidae
Genus	Anas	Rissoa
Species	Anas erythrorhyncha	Rissoa violacea

Evolutionary Relationship

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

Conservation Status

Red-billed Duck

LC — Least Concern

violet risso

NE — Not Evaluated

Physical Characteristics

Attribute	Red-billed Duck	violet risso
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Red-billed Duck

Habitat

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

Range

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

violet risso

Habitat

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

Range

Distributed across Denmark and Norway.

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 1 countries:

🇳🇴 Norway