Laysan Duck vs Rooting Brownie

Anas laysanensis compared with Hypholoma radicosum

Key Differences

Laysan Duck is Critically Endangered while Rooting Brownie is Near Threatened.

Taxonomic Classification

Rank	Laysan Duck	Rooting Brownie
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Basidiomycota (Club Fungi)
Class	Aves (Birds)	Agaricomycetes (Mushrooms)
Order	Anseriformes (Anseriformes)	Agaricales (Gilled Mushrooms)
Family	Anatidae	Strophariaceae
Genus	Anas	Hypholoma
Species	Anas laysanensis	Hypholoma radicosum

Conservation Status

Laysan Duck

CR — Critically Endangered

Rooting Brownie

NT — Near Threatened

Physical Characteristics

Attribute	Laysan Duck	Rooting Brownie
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.

Rooting Brownie

Habitat

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

Range

Distributed across Belgium, Denmark, Norway, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.