Big Smoky Bracket vs Laysan Duck

Bjerkandera fumosa compared with Anas laysanensis

Key Differences

Big Smoky Bracket is Least Concern while Laysan Duck is Critically Endangered.

Taxonomic Classification

Rank	Big Smoky Bracket	Laysan Duck
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Basidiomycota (Club Fungi)	Chordata (Chordates)
Class	Agaricomycetes (Mushrooms)	Aves (Birds)
Order	Polyporales (Polyporales)	Anseriformes (Anseriformes)
Family	Phanerochaetaceae	Anatidae
Genus	Bjerkandera	Anas
Species	Bjerkandera fumosa	Anas laysanensis

Conservation Status

Big Smoky Bracket

LC — Least Concern

Laysan Duck

CR — Critically Endangered

Physical Characteristics

Attribute	Big Smoky Bracket	Laysan Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Big Smoky Bracket

Habitat

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

Range

Widely distributed across Europe (5 countries), North America (United States), and South America (Brazil).

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.

Big Smoky Bracket

The Big Smoky Bracket (Bjerkandera fumosa) is a species in the genus Bjerkandera. It is currently classified as Least Concern 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.