Red-billed Duck vs truncate barrel-bubble

Anas erythrorhyncha compared with Retusa truncatula

Taxonomic Classification

Rank	Red-billed Duck	truncate barrel-bubble
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Mollusca (Mollusks)
Class	Aves (Birds)	Gastropoda (Gastropoda)
Order	Anseriformes (Anseriformes)	Cephalaspidea (Cephalaspidea)
Family	Anatidae	Retusidae
Genus	Anas	Retusa
Species	Anas erythrorhyncha	Retusa truncatula

Evolutionary Relationship

Red-billed Duck and truncate barrel-bubble share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Red-billed Duck

LC — Least Concern

truncate barrel-bubble

LC — Least Concern

Physical Characteristics

Attribute	Red-billed Duck	truncate barrel-bubble
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).

truncate barrel-bubble

Habitat

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

Range

Distributed across Belgium, Denmark, Norway, Portugal, and Sweden.

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 2 countries:

🇧🇪 Belgium 🇳🇴 Norway