Japanese Squirrel vs アメリカホシハジロ

Sciurus lis compared with Aythya americana

Key Differences

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

Taxonomic Classification

Rank	Japanese Squirrel	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	Sciuridae (Squirrels)	Anatidae
Genus	Sciurus (Tree Squirrels)	Aythya
Species	Sciurus lis	Aythya americana

Evolutionary Relationship

Japanese Squirrel 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

Japanese Squirrel

LC — Least Concern

アメリカホシハジロ

NE — Not Evaluated

Physical Characteristics

Attribute	Japanese Squirrel	アメリカホシハジロ
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Japanese Squirrel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Belgium, France, Netherlands, and United Kingdom.

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 4 countries:

🇧🇪 Belgium 🇫🇷 France 🇳🇱 Netherlands 🇬🇧 United Kingdom