Laysan Duck vs marsh dock

Anas laysanensis compared with Rumex palustris

Key Differences

• Laysan Duck is Critically Endangered while marsh dock is Least Concern.

Taxonomic Classification

Rank	Laysan Duck	marsh dock
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Magnoliophyta (Flowering Plants)
Class	Aves (Birds)	Magnoliopsida (Dicots)
Order	Anseriformes (Anseriformes)	Caryophyllales (Caryophyllales)
Family	Anatidae	Polygonaceae
Genus	Anas	Rumex
Species	Anas laysanensis	Rumex palustris

Conservation Status

Laysan Duck

CR — Critically Endangered

marsh dock

LC — Least Concern

Physical Characteristics

Attribute	Laysan Duck	marsh dock
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.

marsh dock

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Found across Europe (8 countries).

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 2 countries:

🇧🇪 Belgium 🇳🇴 Norway