レイサンマガモ vs Oriental House Rat

Anas laysanensis compared with Rattus tanezumi

Key Differences

• レイサンマガモ is Critically Endangered while Oriental House Rat is Least Concern.

Taxonomic Classification

Rank	レイサンマガモ	Oriental House Rat
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class	Aves (鳥類)	Mammalia (哺乳類)
Order	Anseriformes (カモ目)	Rodentia (ネズミ目)
Family	Anatidae	Muridae (Mice & Rats)
Genus	Anas	Rattus
Species	Anas laysanensis	Rattus tanezumi

Evolutionary Relationship

レイサンマガモ and Oriental House Rat 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

Oriental House Rat

LC — Least Concern

Physical Characteristics

Attribute	レイサンマガモ	Oriental House Rat
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.

Oriental House Rat

Habitat

Inhabits tropical and subtropical moist broadleaf forests within the Oceanian biogeographic realm.

Range

Widely distributed across Africa (Eswatini, Lesotho, South Africa), Asia (Philippines, Taiwan), and Oceania and the Pacific (Kiribati).

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。