Crenulate Astarte vs Laysan Duck

Astarte crenata compared with Anas laysanensis

Key Differences

• Crenulate Astarte is Not Evaluated while Laysan Duck is Critically Endangered.

Taxonomic Classification

Rank	Crenulate Astarte	Laysan Duck
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Bivalvia (Bivalvia)	Aves (Birds)
Order	Carditida (Carditida)	Anseriformes (Anseriformes)
Family	Astartidae	Anatidae
Genus	Astarte	Anas
Species	Astarte crenata	Anas laysanensis

Evolutionary Relationship

Crenulate Astarte and Laysan Duck share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Crenulate Astarte

NE — Not Evaluated

Laysan Duck

CR — Critically Endangered

Physical Characteristics

Attribute	Crenulate Astarte	Laysan Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Crenulate Astarte

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Norway and Sweden.

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.

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