Canadian beaver vs Ground beetle

Castor canadensis compared with Calathus extensicollis

Key Differences

Canadian beaver is Not Evaluated while Ground beetle is Extinct.

Taxonomic Classification

Rank	Canadian beaver	Ground beetle
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum	Chordata (脊索動物)	Arthropoda (節足動物)
Class	Mammalia (哺乳類)	Insecta (昆虫)
Order	Rodentia (ネズミ目)	Coleoptera (コウチュウ目)
Family	Castoridae (Beavers)	Carabidae
Genus	Castor (Beavers)	Calathus
Species	Castor canadensis	Calathus extensicollis

Evolutionary Relationship

Canadian beaver and Ground beetle share a common ancestor at the Kingdom level: Animalia. (動物)

表示 Kingdom: Animalia

Conservation Status

Canadian beaver

NE — Not Evaluated

Population: ~15.0M

Trend: Stable →

Ground beetle

EX — Extinct

Physical Characteristics

Attribute	Canadian beaver	Ground beetle
Diet	Herbivore	—
Average Lifespan	15 years	—
Average Length	1.0 m	—
Average Weight	25.0 kg	—

Habitat & Geographic Range

Canadian beaver

Habitat

Typically found in grasslands, forests, and vegetated habitats.

Range

Widely distributed across Europe (15 countries), North America (United States), and South America (Argentina, Chile).

Ground beetle

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found in Portugal.

Canadian beaver

北米最大の齧歯類であるカナダビーバーは体重32kgにも達し、カナダ・米国北部の河川、湖沼、湿地に生息する優れた生態系エンジニアです。木を倒して数百メートルに及ぶダムを造ることで池を形成し、数百種の生息環境を提供します。その巣穴や運河は流域全体を変化させます。かつては毛皮のために絶滅寸前まで狩られましたが、個体数は大きく回復しています。