カオジロガン vs Brown Rat

Branta leucopsis compared with Rattus norvegicus

Taxonomic Classification

Rank	カオジロガン	Brown 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	Branta	Rattus
Species	Branta leucopsis	Rattus norvegicus

Evolutionary Relationship

カオジロガン and Brown Rat share a common ancestor at the Phylum level: Chordata. (脊索動物)

Conservation Status

カオジロガン

LC — Least Concern

Brown Rat

LC — Least Concern

Physical Characteristics

Attribute	カオジロガン	Brown Rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

カオジロガン

Habitat

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

Range

Found across Europe (10 countries) and North America (United States).

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).

カオジロガン

シロホオガン（Branta leucopsis）は、IUCNレッドリストで軽度懸念（LC）に分類されています。分布域全体にわたって広く生息し個体数も豊富で、個体群は安定しており、差し迫った保全上の懸念はありません。

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。

Shared Countries

Both species can be found in 11 countries:

🇦🇹 Austria 🇧🇪 Belgium 🇩🇰 Denmark 🇫🇮 Finland 🇫🇷 France 🇩🇪 Germany 🇳🇱 Netherlands 🇳🇴 Norway 🇸🇪 Sweden 🇬🇧 United Kingdom 🇺🇸 United States