Brown Rat vs アカツクシガモ

Rattus norvegicus compared with Tadorna ferruginea

Key Differences

• Brown Rat is Least Concern while アカツクシガモ is Not Evaluated.

Taxonomic Classification

Rank	Brown Rat	アカツクシガモ
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	Tadorna
Species	Rattus norvegicus	Tadorna ferruginea

Evolutionary Relationship

Brown Rat and アカツクシガモ share a common ancestor at the Phylum level: Chordata. (脊索動物)

Conservation Status

Brown Rat

LC — Least Concern

アカツクシガモ

NE — Not Evaluated

Physical Characteristics

Attribute	Brown Rat	アカツクシガモ
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Brown Rat

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 10 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (11 countries), Asia (15 countries), Europe (41 countries), North America (16 countries), Oceania and the Pacific (10 countries), and South America (10 countries).

アカツクシガモ

Habitat

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

Range

Widely distributed across Asia (Israel, Taiwan), Europe (19 countries), and North America (United States).

Brown Rat

ドブネズミ（Rattus norvegicus）はIUCNレッドリストで軽度懸念（LC）に分類されています。分布域全体に広く生息し個体数は安定しており、緊急の保護上の懸念はありません。

アカツクシガモ

Ruddy Shelduck（Tadorna ferruginea）は IUCN レッドリストで未評価（NE）に分類されている。まだ IUCN レッドリスト基準に照らして評価されておらず、保全状況は今後決定される。

Shared Countries

Both species can be found in 22 countries:

🇦🇹 Austria 🇧🇾 Belarus 🇧🇪 Belgium 🇨🇿 Czech Republic 🇩🇰 Denmark 🇪🇪 Estonia 🇫🇷 France 🇩🇪 Germany 🇮🇪 Ireland 🇮🇱 Israel 🇱🇻 Latvia 🇱🇮 Liechtenstein 🇳🇱 Netherlands 🇳🇴 Norway 🇵🇱 Poland 🇸🇮 Slovenia 🇸🇪 Sweden 🇨🇭 Switzerland 🇹🇼 Taiwan 🇺🇦 Ukraine 🇬🇧 United Kingdom 🇺🇸 United States