Brown Rat vs クビワキンクロ

Rattus norvegicus compared with Aythya collaris

Taxonomic Classification

Rank	Brown Rat	クビワキンクロ
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 norvegicus	Aythya collaris

Evolutionary Relationship

Brown Rat and クビワキンクロ share a common ancestor at the Phylum level: Chordata. (脊索動物)

Conservation Status

Brown Rat

LC — Least Concern

クビワキンクロ

LC — Least Concern

Physical Characteristics

Attribute	Brown Rat	クビワキンクロ
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).

クビワキンクロ

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (5 countries), North America (United States), and South America (Colombia, Ecuador, Venezuela).

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。

クビワキンクロ

Ring-necked Duck（Aythya collaris）は IUCN レッドリストで軽度懸念（LC）に分類されている。分布域全体に広く分布し個体数も豊富で、個体群は安定しており差し迫った保全上の懸念はない。

Shared Countries

Both species can be found in 10 countries:

🇧🇪 Belgium 🇨🇴 Colombia 🇩🇰 Denmark 🇪🇨 Ecuador 🇩🇪 Germany 🇳🇴 Norway 🇸🇪 Sweden 🇹🇼 Taiwan 🇺🇸 United States 🇻🇪 Venezuela