Bladder Stalks vs Laysan Duck

Physalacria inflata compared with Anas laysanensis

Key Differences

• Bladder Stalks is Not Evaluated while Laysan Duck is Critically Endangered.

Taxonomic Classification

Rank	Bladder Stalks	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	Physalacriaceae	Anatidae
Genus	Physalacria	Anas
Species	Physalacria inflata	Anas laysanensis

Conservation Status

Bladder Stalks

NE — Not Evaluated

Laysan Duck

CR — Critically Endangered

Physical Characteristics

Attribute	Bladder Stalks	Laysan Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bladder Stalks

Habitat

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

Range

Found in United States.

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.

Bladder Stalks

The Bladder Stalks (Physalacria inflata) is a species in the genus Physalacria. 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.