Bladder Wrack vs Canadian beaver

Fucus vesiculosus compared with Castor canadensis

Key Differences

• Bladder Wrack is Least Concern while Canadian beaver is Not Evaluated.

Taxonomic Classification

Rank	Bladder Wrack	Canadian beaver
Kingdom	Chromista (色藻界)	Animalia (动物界)
Phylum	Ochrophyta (淡色藻门)	Chordata (脊索动物门)
Class	Phaeophyceae (褐藻纲)	Mammalia (哺乳動物)
Order	Fucales (墨角藻目)	Rodentia (啮齿目)
Family	Fucaceae	Castoridae (Beavers)
Genus	Fucus	Castor (Beavers)
Species	Fucus vesiculosus	Castor canadensis

Conservation Status

Bladder Wrack

LC — Least Concern

Canadian beaver

NE — Not Evaluated

Population: ~15.0M

Trend: Stable →

Physical Characteristics

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

Habitat & Geographic Range

Bladder Wrack

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

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).

Bladder Wrack

The Bladder Wrack (Fucus vesiculosus) is a species in the genus Fucus. It is currently classified as Least Concern on the IUCN Red List. Native to Europe, inhabiting ecosystems characteristic of the region.

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 3 countries:

🇧🇪 Belgium 🇳🇴 Norway 🇸🇪 Sweden