Polynesian rat vs アメリカホシハジロ

Rattus exulans compared with Aythya americana

Key Differences

• Polynesian rat is Least Concern while アメリカホシハジロ is Not Evaluated.

Taxonomic Classification

Rank	Polynesian rat	アメリカホシハジロ
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class	Mammalia (哺乳類)	Aves (鳥類)
Order	Rodentia (ネズミ目)	Anseriformes (カモ目)
Family	Muridae (Mice & Rats)	Anatidae
Genus	Rattus	Aythya
Species	Rattus exulans	Aythya americana

Evolutionary Relationship

Polynesian rat and アメリカホシハジロ share a common ancestor at the Phylum level: Chordata. (脊索動物)

Conservation Status

Polynesian rat

LC — Least Concern

アメリカホシハジロ

NE — Not Evaluated

Physical Characteristics

Attribute	Polynesian rat	アメリカホシハジロ
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Polynesian rat

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical coniferous forests, among 4 distinct biome types spanning the Australasia and Indomalayan realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (6 countries), Europe (United Kingdom), North America (United States), Oceania and the Pacific (11 countries), and South America (Chile).

アメリカホシハジロ

Habitat

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

Range

Found across Europe (7 countries) and North America (United States).

アメリカホシハジロ

アカアタマハジロ（Aythya americana）はIUCNレッドリストで未評価（NE）に分類されている。IUCNレッドリスト基準でまだ評価されておらず、保全状況は未確定である。

Shared Countries

Both species can be found in 2 countries:

🇬🇧 United Kingdom 🇺🇸 United States