Red-billed Duck vs white chalice-bubble

Anas erythrorhyncha compared with Cylichna alba

Key Differences

• Red-billed Duck is Least Concern while white chalice-bubble is Not Evaluated.

Taxonomic Classification

Rank	Red-billed Duck	white chalice-bubble
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Mollusca (Mollusks)
Class	Aves (Birds)	Gastropoda (Gastropoda)
Order	Anseriformes (Anseriformes)	Cephalaspidea (Cephalaspidea)
Family	Anatidae	Cylichnidae
Genus	Anas	Cylichna
Species	Anas erythrorhyncha	Cylichna alba

Evolutionary Relationship

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

Conservation Status

Red-billed Duck

LC — Least Concern

white chalice-bubble

NE — Not Evaluated

Physical Characteristics

Attribute	Red-billed Duck	white chalice-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).

white chalice-bubble

Habitat

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

Range

Distributed across Norway, Sweden, and United States.

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