Fib King vs Laysan Duck

Boletus fibrillosus compared with Anas laysanensis

Key Differences

• Fib King is Least Concern while Laysan Duck is Critically Endangered.

Taxonomic Classification

Rank	Fib King	Laysan Duck
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Basidiomycota (Club Fungi)	Chordata (Chordates)
Class	Agaricomycetes (Mushrooms)	Aves (Birds)
Order	Boletales (Boletales)	Anseriformes (Anseriformes)
Family	Boletaceae	Anatidae
Genus	Boletus	Anas
Species	Boletus fibrillosus	Anas laysanensis

Conservation Status

Fib King

LC — Least Concern

Laysan Duck

CR — Critically Endangered

Physical Characteristics

Attribute	Fib King	Laysan Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Fib King

Habitat

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

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.

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.