Laysan Duck vs Maidenhair Rust

Anas laysanensis compared with Hyalopsora adianti-capilli-veneris

Key Differences

• Laysan Duck is Critically Endangered while Maidenhair Rust is Not Evaluated.

Taxonomic Classification

Rank	Laysan Duck	Maidenhair Rust
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Basidiomycota (Club Fungi)
Class	Aves (Birds)	Pucciniomycetes (Pucciniomycetes)
Order	Anseriformes (Anseriformes)	Pucciniales (Pucciniales)
Family	Anatidae	Pucciniastraceae
Genus	Anas	Hyalopsora
Species	Anas laysanensis	Hyalopsora adianti-capilli-veneris

Conservation Status

Laysan Duck

CR — Critically Endangered

Maidenhair Rust

NE — Not Evaluated

Physical Characteristics

Attribute	Laysan Duck	Maidenhair Rust
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic 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.

Maidenhair Rust

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Found in Portugal.

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.