Arnoux's beaked whale vs レイサンマガモ

Berardius arnuxii compared with Anas laysanensis

Key Differences

• Arnoux's beaked whale is Least Concern while レイサンマガモ is Critically Endangered.

Taxonomic Classification

Rank	Arnoux's beaked whale	レイサンマガモ
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class	Mammalia (哺乳類)	Aves (鳥類)
Order	Cetacea (Whales & Dolphins)	Anseriformes (カモ目)
Family	Hyperoodontidae	Anatidae
Genus	Berardius	Anas
Species	Berardius arnuxii	Anas laysanensis

Evolutionary Relationship

Arnoux's beaked whale and レイサンマガモ share a common ancestor at the Phylum level: Chordata. (脊索動物)

Conservation Status

Arnoux's beaked whale

LC — Least Concern

レイサンマガモ

CR — Critically Endangered

Physical Characteristics

Attribute	Arnoux's beaked whale	レイサンマガモ
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arnoux's beaked whale

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.

Arnoux's beaked whale

The Arnoux's beaked whale, Berardius arnuxii, is a species. It is currently assessed as least concern on the IUCN Red List. 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。