Laysan Duck vs white chalice-bubble

Anas laysanensis compared with Cylichna alba

Key Differences

• Laysan Duck is Critically Endangered while white chalice-bubble is Not Evaluated.

Taxonomic Classification

Rank	Laysan 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 laysanensis	Cylichna alba

Evolutionary Relationship

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

Conservation Status

Laysan Duck

CR — Critically Endangered

white chalice-bubble

NE — Not Evaluated

Physical Characteristics

Attribute	Laysan Duck	white chalice-bubble
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Laysan Duck

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and Mediterranean forests and woodlands within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Belgium, France, Netherlands, Norway, and United Kingdom. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

white chalice-bubble

Habitat

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

Range

Distributed across Norway, Sweden, and United States.

Laysan Duck

Laysan Duck (Anas laysanensis) is classified as Critically Endangered (CR) on the IUCN Red List. Facing an extremely high risk of extinction in the wild due to severe population decline and habitat loss.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway