Gray Alder vs レイサンマガモ

Alnus incana compared with Anas laysanensis

Key Differences

• Gray Alder is Least Concern while レイサンマガモ is Critically Endangered.

Taxonomic Classification

Rank	Gray Alder	レイサンマガモ
Kingdom	Plantae (植物)	Animalia (動物)
Phylum	Magnoliophyta (被子植物門)	Chordata (脊索動物)
Class	Magnoliopsida (モクレン綱)	Aves (鳥類)
Order	Fagales (ブナ目)	Anseriformes (カモ目)
Family	Betulaceae	Anatidae
Genus	Alnus	Anas
Species	Alnus incana	Anas laysanensis

Conservation Status

Gray Alder

LC — Least Concern

レイサンマガモ

CR — Critically Endangered

Physical Characteristics

Attribute	Gray Alder	レイサンマガモ
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Gray Alder

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Widely distributed across Asia (Armenia), Europe (10 countries), and North America (United States).

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。

Shared Countries

Both species can be found in 4 countries:

🇧🇪 Belgium 🇳🇱 Netherlands 🇳🇴 Norway 🇬🇧 United Kingdom