レイサンマガモ vs marsh arrowgrass

Anas laysanensis compared with Triglochin palustris

Key Differences

• レイサンマガモ is Critically Endangered while marsh arrowgrass is Least Concern.

Taxonomic Classification

Rank	レイサンマガモ	marsh arrowgrass
Kingdom	Animalia (動物)	Plantae (植物)
Phylum	Chordata (脊索動物)	Magnoliophyta (被子植物門)
Class	Aves (鳥類)	Liliopsida (単子葉植物綱)
Order	Anseriformes (カモ目)	Alismatales (オモダカ目)
Family	Anatidae	Juncaginaceae
Genus	Anas	Triglochin
Species	Anas laysanensis	Triglochin palustris

Conservation Status

レイサンマガモ

CR — Critically Endangered

marsh arrowgrass

LC — Least Concern

Physical Characteristics

Attribute	レイサンマガモ	marsh arrowgrass
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.

marsh arrowgrass

Habitat

Typically found in grasslands, wetlands, forests, and cultivated landscapes.

Range

Widely distributed across Asia (Taiwan), Europe (6 countries), and North America (Canada).

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。

Shared Countries

Both species can be found in 3 countries:

🇧🇪 Belgium 🇫🇷 France 🇳🇴 Norway