レイサンマガモ vs ヒバリツメナガタヒバリ

Anas laysanensis compared with Macronyx sharpei

Key Differences

• レイサンマガモ is Critically Endangered while ヒバリツメナガタヒバリ is Endangered.

Taxonomic Classification

Rank	レイサンマガモ	ヒバリツメナガタヒバリ
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class same	Aves (鳥類)	Aves (鳥類)
Order	Anseriformes (カモ目)	Passeriformes (スズメ目)
Family	Anatidae	Motacillidae
Genus	Anas	Macronyx
Species	Anas laysanensis	Macronyx sharpei

Evolutionary Relationship

レイサンマガモ and ヒバリツメナガタヒバリ share a common ancestor at the Class level: Aves. (鳥類)

Conservation Status

レイサンマガモ

CR — Critically Endangered

ヒバリツメナガタヒバリ

EN — Endangered

Physical Characteristics

Attribute	レイサンマガモ	ヒバリツメナガタヒバリ
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.

ヒバリツメナガタヒバリ

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

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。