Laysan Duck vs Macroalgae

Anas laysanensis compared with Caulerpa brachypus

Key Differences

• Laysan Duck is Critically Endangered while Macroalgae is Not Evaluated.

Taxonomic Classification

Rank	Laysan Duck	Macroalgae
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Chlorophyta (Chlorophyta)
Class	Aves (Birds)	Ulvophyceae (Ulvophyceae)
Order	Anseriformes (Anseriformes)	Bryopsidales (Bryopsidales)
Family	Anatidae	Caulerpaceae
Genus	Anas	Caulerpa
Species	Anas laysanensis	Caulerpa brachypus

Conservation Status

Laysan Duck

CR — Critically Endangered

Macroalgae

NE — Not Evaluated

Physical Characteristics

Attribute	Laysan Duck	Macroalgae
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.

Macroalgae

Habitat

Native to North America and South America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Brazil 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.