Birch Jelly vs Laysan Duck

Exidia repanda compared with Anas laysanensis

Key Differences

Birch Jelly is Vulnerable while Laysan Duck is Critically Endangered.

Taxonomic Classification

Rank	Birch Jelly	Laysan Duck
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Basidiomycota (Club Fungi)	Chordata (Chordates)
Class	Agaricomycetes (Mushrooms)	Aves (Birds)
Order	Auriculariales (Auriculariales)	Anseriformes (Anseriformes)
Family	Auriculariaceae	Anatidae
Genus	Exidia	Anas
Species	Exidia repanda	Anas laysanensis

Conservation Status

Birch Jelly

VU — Vulnerable

Laysan Duck

CR — Critically Endangered

Physical Characteristics

Attribute	Birch Jelly	Laysan Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Birch Jelly

Habitat

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

Range

Distributed across Denmark, Norway, Sweden, and United States. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

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.

Birch Jelly

The Birch Jelly (Exidia repanda) is a species in the genus Exidia. It is currently classified as Vulnerable 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.