Canadian beaver vs

Castor canadensis compared with Dyadobacter jiangsuensis

Taxonomic Classification

Rank	Canadian beaver
Kingdom	Animalia (动物界)	Bacteria (Bacteria)
Phylum	Chordata (脊索动物门)	Bacteroidota (拟杆菌门)
Class	Mammalia (哺乳動物)	Bacteroidia (擬桿菌綱)
Order	Rodentia (啮齿目)	Cytophagales (噬纤维菌目)
Family	Castoridae (Beavers)	Spirosomaceae
Genus	Castor (Beavers)	Dyadobacter
Species	Castor canadensis	Dyadobacter jiangsuensis

Conservation Status

Canadian beaver

NE — Not Evaluated

Population: ~15.0M

Trend: Stable →

NE — Not Evaluated

Physical Characteristics

Attribute	Canadian beaver
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).

Habitat

Native to Asia, inhabiting ecosystems characteristic of the region.

Range

Found in Taiwan.

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。

江苏双孢杆菌（Dyadobacter jiangsuensis）是细胞形菌科中一种革兰氏阴性橙色素菌，最初从中国江苏省土壤样品中分离得到。该菌为需氧、杆状、不运动的细菌，能够降解其所处土壤环境中的多糖。双孢杆菌属归属于细菌域拟杆菌门，广泛分布于陆地和淡水生境。