Canadian beaver vs 白脸针尾鸭

Castor canadensis compared with Anas bahamensis

Key Differences

• Canadian beaver is Not Evaluated while 白脸针尾鸭 is Least Concern.

Taxonomic Classification

Rank	Canadian beaver	白脸针尾鸭
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum same	Chordata (脊索动物门)	Chordata (脊索动物门)
Class	Mammalia (哺乳動物)	Aves (鳥綱)
Order	Rodentia (啮齿目)	Anseriformes (雁形目)
Family	Castoridae (Beavers)	Anatidae
Genus	Castor (Beavers)	Anas
Species	Castor canadensis	Anas bahamensis

Evolutionary Relationship

Canadian beaver and 白脸针尾鸭 share a common ancestor at the Phylum level: Chordata. (脊索动物门)

Conservation Status

Canadian beaver

NE — Not Evaluated

Population: ~15.0M

Trend: Stable →

白脸针尾鸭

LC — Least Concern

Physical Characteristics

Attribute	Canadian beaver	白脸针尾鸭
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).

白脸针尾鸭

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Widely distributed across Asia (Israel), Europe (9 countries), and South America (Colombia, Ecuador, Venezuela).

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。

白脸针尾鸭

白颊针尾鸭（Anas bahamensis）被IUCN红色名录列为无危（LC）。该物种在其分布范围内广泛分布且数量丰富，种群稳定，无直接保育顾虑。

Shared Countries

Both species can be found in 8 countries:

🇧🇪 Belgium 🇫🇷 France 🇩🇪 Germany 🇳🇱 Netherlands 🇳🇴 Norway 🇵🇱 Poland 🇸🇪 Sweden 🇬🇧 United Kingdom