Laysan Duck vs Patagonian Weasel

Anas laysanensis compared with Lyncodon patagonicus

Key Differences

• Laysan Duck is Critically Endangered while Patagonian Weasel is Least Concern.

Taxonomic Classification

Rank	Laysan Duck	Patagonian Weasel
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Chordata (สัตว์มีแกนสันหลัง)	Chordata (สัตว์มีแกนสันหลัง)
Class	Aves (นก)	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)
Order	Anseriformes (อันดับห่าน)	Carnivora (สัตว์กินเนื้อ)
Family	Anatidae	Mustelidae (Weasels & Otters)
Genus	Anas	Lyncodon
Species	Anas laysanensis	Lyncodon patagonicus

Evolutionary Relationship

Laysan Duck and Patagonian Weasel share a common ancestor at the Phylum level: Chordata. (สัตว์มีแกนสันหลัง)

Conservation Status

Laysan Duck

CR — Critically Endangered

Patagonian Weasel

LC — Least Concern

Physical Characteristics

Attribute	Laysan Duck	Patagonian Weasel
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.

Patagonian Weasel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.