Laysan Duck vs Umbilicate Hedgehog

Anas laysanensis compared with Hydnum umbilicatum

Key Differences

Laysan Duck is Critically Endangered while Umbilicate Hedgehog is Not Evaluated.

Taxonomic Classification

Rank	Laysan Duck	Umbilicate Hedgehog
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Basidiomycota (Club Fungi)
Class	Aves (Birds)	Agaricomycetes (Mushrooms)
Order	Anseriformes (Anseriformes)	Cantharellales (Cantharellales)
Family	Anatidae	Hydnaceae
Genus	Anas	Hydnum
Species	Anas laysanensis	Hydnum umbilicatum

Conservation Status

Laysan Duck

CR — Critically Endangered

Umbilicate Hedgehog

NE — Not Evaluated

Physical Characteristics

Attribute	Laysan Duck	Umbilicate Hedgehog
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.

Umbilicate Hedgehog

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.