Irrawaddy dolphin vs レイサンマガモ

Orcaella brevirostris compared with Anas laysanensis

Key Differences

• Irrawaddy dolphin is Endangered while レイサンマガモ is Critically Endangered.

Taxonomic Classification

Rank	Irrawaddy dolphin	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	Delphinidae (Oceanic Dolphins)	Anatidae
Genus	Orcaella	Anas
Species	Orcaella brevirostris	Anas laysanensis

Evolutionary Relationship

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

Conservation Status

Irrawaddy dolphin

EN — Endangered

レイサンマガモ

CR — Critically Endangered

Physical Characteristics

Attribute	Irrawaddy dolphin	レイサンマガモ
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Irrawaddy dolphin

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.

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。