Laysan Duck vs Willow Tarspot

Anas laysanensis compared with Rhytisma salicinum

Key Differences

Laysan Duck is Critically Endangered while Willow Tarspot is Least Concern.

Taxonomic Classification

Rank	Laysan Duck	Willow Tarspot
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Ascomycota (Sac Fungi)
Class	Aves (Birds)	Leotiomycetes (Leotiomycetes)
Order	Anseriformes (Anseriformes)	Rhytismatales (Rhytismatales)
Family	Anatidae	Rhytismataceae
Genus	Anas	Rhytisma
Species	Anas laysanensis	Rhytisma salicinum

Conservation Status

Laysan Duck

CR — Critically Endangered

Willow Tarspot

LC — Least Concern

Physical Characteristics

Attribute	Laysan Duck	Willow Tarspot
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.

Willow Tarspot

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

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.