Canadian beaver vs Dwarf Eelgrass

Castor canadensis compared with Zostera noltii

Key Differences

• Canadian beaver is Not Evaluated while Dwarf Eelgrass is Endangered.

Taxonomic Classification

Rank	Canadian beaver	Dwarf Eelgrass
Kingdom	Animalia (动物界)	Plantae (植物)
Phylum	Chordata (脊索动物门)	Magnoliophyta (木兰植物门)
Class	Mammalia (哺乳動物)	Liliopsida (百合纲)
Order	Rodentia (啮齿目)	Alismatales (泽泻目)
Family	Castoridae (Beavers)	Zosteraceae
Genus	Castor (Beavers)	Zostera
Species	Castor canadensis	Zostera noltii

Conservation Status

Canadian beaver

NE — Not Evaluated

Population: ~15.0M

Trend: Stable →

Dwarf Eelgrass

EN — Endangered

Physical Characteristics

Attribute	Canadian beaver	Dwarf Eelgrass
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).

Dwarf Eelgrass

Habitat

Typically found in grasslands, wetlands, forests, and cultivated landscapes.

Range

Distributed across Belgium, Denmark, Norway, Portugal, and Sweden. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Canadian beaver

北美最大的啮齿动物加拿大河狸体重可达32公斤，是栖息于加拿大和美国北部河流、湖泊和湿地的杰出生态系统工程师。通过伐木和建造可达数百米的水坝形成水塘，为数百种物种提供生境。其巢穴和运河改变了整个流域。曾因毛皮贸易被猎杀至濒临灭绝，但种群已大幅恢复。

Shared Countries

Both species can be found in 4 countries:

🇧🇪 Belgium 🇳🇴 Norway 🇵🇹 Portugal 🇸🇪 Sweden