Flat Green Feather Algae vs Laysan Duck

Caulerpa mexicana compared with Anas laysanensis

Key Differences

• Flat Green Feather Algae is Not Evaluated while Laysan Duck is Critically Endangered.

Taxonomic Classification

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

Conservation Status

Flat Green Feather Algae

NE — Not Evaluated

Laysan Duck

CR — Critically Endangered

Physical Characteristics

Attribute	Flat Green Feather Algae	Laysan Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Flat Green Feather Algae

Habitat

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

Range

Distributed across Brazil, Israel, and Lebanon.

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.