Laysan Duck vs White Pine Blister Rust

Anas laysanensis compared with Cronartium ribicola

Key Differences

• Laysan Duck is Critically Endangered while White Pine Blister Rust is Not Evaluated.

Taxonomic Classification

Rank	Laysan Duck	White Pine Blister Rust
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Basidiomycota (Club Fungi)
Class	Aves (Birds)	Pucciniomycetes (Pucciniomycetes)
Order	Anseriformes (Anseriformes)	Pucciniales (Pucciniales)
Family	Anatidae	Cronartiaceae
Genus	Anas	Cronartium
Species	Anas laysanensis	Cronartium ribicola

Conservation Status

Laysan Duck

CR — Critically Endangered

White Pine Blister Rust

NE — Not Evaluated

Physical Characteristics

Attribute	Laysan Duck	White Pine Blister 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.

White Pine Blister Rust

Habitat

Native to Asia and Europe and North America, inhabiting ecosystems characteristic of the region.

Range

Widely distributed across Asia (China), Europe (9 countries), and North America (Mexico, United States).

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.

Shared Countries

Both species can be found in 5 countries:

🇧🇪 Belgium 🇫🇷 France 🇳🇱 Netherlands 🇳🇴 Norway 🇬🇧 United Kingdom