Laysan Duck vs smooth giant clam

Anas laysanensis compared with Tridacna derasa

Key Differences

• Laysan Duck is Critically Endangered while smooth giant clam is Vulnerable.

Taxonomic Classification

Rank	Laysan Duck	smooth giant clam
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Mollusca (Mollusks)
Class	Aves (Birds)	Bivalvia (Bivalvia)
Order	Anseriformes (Anseriformes)	Cardiida (Cardiida)
Family	Anatidae	Cardiidae
Genus	Anas	Tridacna
Species	Anas laysanensis	Tridacna derasa

Evolutionary Relationship

Laysan Duck and smooth giant clam share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Laysan Duck

CR — Critically Endangered

smooth giant clam

VU — Vulnerable

Physical Characteristics

Attribute	Laysan Duck	smooth giant clam
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.

smooth giant clam

Habitat

Inhabits tropical and subtropical moist broadleaf forests within the Oceanian biogeographic realm.

Range

Distributed across Marshall Islands and Taiwan. Currently classified as Vulnerable 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.