Laysan Duck vs Pacific white-sided dolphin

Anas laysanensis compared with Lagenorhynchus obliquidens

Key Differences

• Laysan Duck is Critically Endangered while Pacific white-sided dolphin is Least Concern.

Taxonomic Classification

Rank	Laysan Duck	Pacific white-sided dolphin
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Chordata (สัตว์มีแกนสันหลัง)	Chordata (สัตว์มีแกนสันหลัง)
Class	Aves (นก)	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)
Order	Anseriformes (อันดับห่าน)	Cetacea (Whales & Dolphins)
Family	Anatidae	Delphinidae (Oceanic Dolphins)
Genus	Anas	Lagenorhynchus
Species	Anas laysanensis	Lagenorhynchus obliquidens

Evolutionary Relationship

Laysan Duck and Pacific white-sided dolphin share a common ancestor at the Phylum level: Chordata. (สัตว์มีแกนสันหลัง)

Conservation Status

Laysan Duck

CR — Critically Endangered

Pacific white-sided dolphin

LC — Least Concern

Physical Characteristics

Attribute	Laysan Duck	Pacific white-sided dolphin
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.

Pacific white-sided dolphin

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.