レイサンマガモ vs Rough-backed Frog

Anas laysanensis compared with Limnonectes asperatus

Key Differences

• レイサンマガモ is Critically Endangered while Rough-backed Frog is Least Concern.

Taxonomic Classification

Rank	レイサンマガモ	Rough-backed Frog
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class	Aves (鳥類)	Amphibia (両生類)
Order	Anseriformes (カモ目)	Anura (カエル)
Family	Anatidae	Dicroglossidae
Genus	Anas	Limnonectes
Species	Anas laysanensis	Limnonectes asperatus

Evolutionary Relationship

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

Conservation Status

レイサンマガモ

CR — Critically Endangered

Rough-backed Frog

LC — Least Concern

Physical Characteristics

Attribute	レイサンマガモ	Rough-backed Frog
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.

Rough-backed Frog

Habitat

Typically found in freshwater habitats, moist forests, and wetlands.

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。