Laysan Duck vs Woolly Rosette

Anas laysanensis compared with Cotylidia pannosa

Key Differences

Laysan Duck is Critically Endangered while Woolly Rosette is Extinct.

Taxonomic Classification

Rank	Laysan Duck	Woolly Rosette
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Basidiomycota (Club Fungi)
Class	Aves (Birds)	Agaricomycetes (Mushrooms)
Order	Anseriformes (Anseriformes)	Hymenochaetales (Hymenochaetales)
Family	Anatidae	Rickenellaceae
Genus	Anas	Cotylidia
Species	Anas laysanensis	Cotylidia pannosa

Conservation Status

Laysan Duck

CR — Critically Endangered

Woolly Rosette

EX — Extinct

Physical Characteristics

Attribute	Laysan Duck	Woolly Rosette
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.

Woolly Rosette

Habitat

Typically found in forest floors, decomposing wood, and soil ecosystems.

Range

Distributed across Denmark, 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.