Amerika-aka-ei vs レイサンマガモ

Hypanus americanus compared with Anas laysanensis

Key Differences

• Amerika-aka-ei is Near Threatened while レイサンマガモ is Critically Endangered.

Taxonomic Classification

Rank	Amerika-aka-ei	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	Elasmobranchii	Aves (鳥類)
Order	Myliobatiformes (トビエイ目)	Anseriformes (カモ目)
Family	Dasyatidae	Anatidae
Genus	Hypanus	Anas
Species	Hypanus americanus	Anas laysanensis

Evolutionary Relationship

Amerika-aka-ei and レイサンマガモ share a common ancestor at the Phylum level: Chordata. (脊索動物)

Conservation Status

Amerika-aka-ei

NT — Near Threatened

レイサンマガモ

CR — Critically Endangered

Physical Characteristics

Attribute	Amerika-aka-ei	レイサンマガモ
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amerika-aka-ei

Habitat

Native to South America, inhabiting ecosystems characteristic of the region.

Range

Found in Venezuela. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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。