Ánade de Laysán vs Upper Crust

Anas laysanensis compared with Amaurodon cyaneus

Key Differences

Ánade de Laysán is Critically Endangered while Upper Crust is Vulnerable.

Taxonomic Classification

Rank	Ánade de Laysán	Upper Crust
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (cordados)	Basidiomycota (Club Fungi)
Class	Aves (Birds)	Agaricomycetes (Mushrooms)
Order	Anseriformes (Anseriformes)	Thelephorales (Thelephorales)
Family	Anatidae	Thelephoraceae
Genus	Anas	Amaurodon
Species	Anas laysanensis	Amaurodon cyaneus

Conservation Status

Ánade de Laysán

CR — Critically Endangered

Upper Crust

VU — Vulnerable

Physical Characteristics

Attribute	Ánade de Laysán	Upper Crust
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Ánade de Laysán

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.

Upper Crust

Habitat

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

Range

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

Ánade de Laysán

El Pato de Laysan (Anas laysanensis) está clasificado como En Peligro Crítico (CR) en la Lista Roja de la UICN. Enfrenta un riesgo extremadamente alto de extinción en estado silvestre debido a la grave disminución de su población y la pérdida de hábitat.