Arroyo Willow vs Laysan Duck

Salix lasiolepis compared with Anas laysanensis

Key Differences

• Arroyo Willow is Least Concern while Laysan Duck is Critically Endangered.

Taxonomic Classification

Rank	Arroyo Willow	Laysan Duck
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Chordata (Chordates)
Class	Magnoliopsida (Dicots)	Aves (Birds)
Order	Malpighiales (Malpighiales)	Anseriformes (Anseriformes)
Family	Salicaceae	Anatidae
Genus	Salix	Anas
Species	Salix lasiolepis	Anas laysanensis

Conservation Status

Arroyo Willow

LC — Least Concern

Laysan Duck

CR — Critically Endangered

Physical Characteristics

Attribute	Arroyo Willow	Laysan Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arroyo Willow

Habitat

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

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.

Arroyo Willow

The Arroyo Willow, Salix lasiolepis, is a species. It is currently assessed as least concern on the IUCN Red List. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

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.