Laysan Duck vs Tuberous Polypore

Anas laysanensis compared with Polyporus tuberaster

Key Differences

Laysan Duck is Critically Endangered while Tuberous Polypore is Least Concern.

Taxonomic Classification

Rank	Laysan Duck	Tuberous Polypore
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Basidiomycota (Club Fungi)
Class	Aves (Birds)	Agaricomycetes (Mushrooms)
Order	Anseriformes (Anseriformes)	Polyporales (Polyporales)
Family	Anatidae	Polyporaceae
Genus	Anas	Polyporus
Species	Anas laysanensis	Polyporus tuberaster

Conservation Status

Laysan Duck

CR — Critically Endangered

Tuberous Polypore

LC — Least Concern

Physical Characteristics

Attribute	Laysan Duck	Tuberous Polypore
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.

Tuberous Polypore

Habitat

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

Range

Distributed across Denmark, Norway, Sweden, Taiwan, 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.