Bitter Waxcap vs Laysan Duck

Hygrocybe mucronella compared with Anas laysanensis

Key Differences

Bitter Waxcap is Near Threatened while Laysan Duck is Critically Endangered.

Taxonomic Classification

Rank	Bitter Waxcap	Laysan Duck
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Basidiomycota (Club Fungi)	Chordata (Chordates)
Class	Agaricomycetes (Mushrooms)	Aves (Birds)
Order	Agaricales (Gilled Mushrooms)	Anseriformes (Anseriformes)
Family	Hygrophoraceae	Anatidae
Genus	Hygrocybe	Anas
Species	Hygrocybe mucronella	Anas laysanensis

Conservation Status

Bitter Waxcap

NT — Near Threatened

Laysan Duck

CR — Critically Endangered

Physical Characteristics

Attribute	Bitter Waxcap	Laysan Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bitter Waxcap

Habitat

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

Range

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

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.

Bitter Waxcap

The Bitter Waxcap (Hygrocybe mucronella) is a species in the genus Hygrocybe. It is currently classified as Near Threatened on the IUCN Red List. Typically found in forest floors, decomposing wood, and soil ecosystems.

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.