Bleeding Broadleaf Crust vs Laysan Duck

Stereum rugosum compared with Anas laysanensis

Key Differences

Bleeding Broadleaf Crust is Least Concern while Laysan Duck is Critically Endangered.

Taxonomic Classification

Rank	Bleeding Broadleaf Crust	Laysan Duck
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Basidiomycota (Club Fungi)	Chordata (Chordates)
Class	Agaricomycetes (Mushrooms)	Aves (Birds)
Order	Russulales (Russulales)	Anseriformes (Anseriformes)
Family	Stereaceae	Anatidae
Genus	Stereum	Anas
Species	Stereum rugosum	Anas laysanensis

Conservation Status

Bleeding Broadleaf Crust

LC — Least Concern

Laysan Duck

CR — Critically Endangered

Physical Characteristics

Attribute	Bleeding Broadleaf Crust	Laysan Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bleeding Broadleaf Crust

Habitat

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

Range

Distributed across Belgium, Norway, Portugal, Sweden, and Taiwan.

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.

Bleeding Broadleaf Crust

The Bleeding Broadleaf Crust (Stereum rugosum) is a species in the genus Stereum. 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.