Canadian beaver vs Green Sea Turtle

Castor canadensis compared with Chelonia mydas

Key Differences

Canadian beaver is Not Evaluated while Green Sea Turtle is Endangered.
Green Sea Turtle is 8.0x heavier than Canadian beaver.
Green Sea Turtle lives longer (80 years vs 15 years).

Taxonomic Classification

Rank	Canadian beaver	Green Sea Turtle
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)	Reptilia (爬虫類)
Order	Rodentia (ネズミ目)	Testudines (カメ)
Family	Castoridae (Beavers)	Cheloniidae (Sea Turtles)
Genus	Castor (Beavers)	Chelonia (Green Sea Turtles)
Species	Castor canadensis	Chelonia mydas

Evolutionary Relationship

Canadian beaver and Green Sea Turtle share a common ancestor at the Phylum level: Chordata. (脊索動物)

表示 Phylum: Chordata

Conservation Status

Canadian beaver

NE — Not Evaluated

Population: ~15.0M

Trend: Stable →

Green Sea Turtle

EN — Endangered

Population: ~85.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Canadian beaver	Green Sea Turtle
Diet	Herbivore	Herbivore
Average Lifespan	15 years	80 years
Average Length	1.0 m	1.2 m
Average Weight	25.0 kg	200.0 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).

Green Sea Turtle

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 8 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Australia, Brazil, Costa Rica, Indonesia, and Mexico. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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。