レイサンマガモ vs Pacific white-sided dolphin

Anas laysanensis compared with Lagenorhynchus obliquidens

Key Differences

• レイサンマガモ is Critically Endangered while Pacific white-sided dolphin is Least Concern.

Taxonomic Classification

Rank	レイサンマガモ	Pacific white-sided dolphin
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class	Aves (鳥類)	Mammalia (哺乳類)
Order	Anseriformes (カモ目)	Cetacea (Whales & Dolphins)
Family	Anatidae	Delphinidae (Oceanic Dolphins)
Genus	Anas	Lagenorhynchus
Species	Anas laysanensis	Lagenorhynchus obliquidens

Evolutionary Relationship

レイサンマガモ and Pacific white-sided dolphin share a common ancestor at the Phylum level: Chordata. (脊索動物)

Conservation Status

レイサンマガモ

CR — Critically Endangered

Pacific white-sided dolphin

LC — Least Concern

Physical Characteristics

Attribute	レイサンマガモ	Pacific white-sided dolphin
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

レイサンマガモ

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.

レイサンマガモ

レイサンガモ（Anas laysanensis）はIUCNレッドリストで絶滅寸前（CR）に分類されています。深刻な個体数減少と生息地の喪失により、野生での絶滅リスクが極めて高い種です。