Greyling Bracket vs Laysan Duck

Postia tephroleuca compared with Anas laysanensis

Key Differences

• Greyling Bracket is Least Concern while Laysan Duck is Critically Endangered.

Taxonomic Classification

Rank	Greyling 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	Dacryobolaceae	Anatidae
Genus	Postia	Anas
Species	Postia tephroleuca	Anas laysanensis

Conservation Status

Greyling Bracket

LC — Least Concern

Laysan Duck

CR — Critically Endangered

Physical Characteristics

Attribute	Greyling Bracket	Laysan Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Greyling Bracket

Habitat

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

Range

Found across Europe (5 countries) 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.

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.

Shared Countries

Both species can be found in 2 countries:

🇧🇪 Belgium 🇳🇴 Norway