Canadian beaver vs 大蓝鹭

Castor canadensis compared with Ardea herodias

Key Differences

• Canadian beaver is Not Evaluated while 大蓝鹭 is Least Concern.

Taxonomic Classification

Rank	Canadian beaver	大蓝鹭
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)	Pelecaniformes (鹈形目)
Family	Castoridae (Beavers)	Ardeidae
Genus	Castor (Beavers)	Ardea
Species	Castor canadensis	Ardea herodias

Evolutionary Relationship

Canadian beaver and 大蓝鹭 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 →

大蓝鹭

LC — Least Concern

Physical Characteristics

Attribute	Canadian beaver	大蓝鹭
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).

大蓝鹭

Habitat

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

Range

Widely distributed across Europe (5 countries), North America (United States), 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。

大蓝鹭

大蓝鹭（Ardea herodias）在IUCN红色名录中被列为无危物种（LC）。在其分布范围内广泛分布，种群数量稳定，没有迫切的保护问题。

Shared Countries

Both species can be found in 6 countries:

🇧🇪 Belgium 🇫🇷 France 🇳🇱 Netherlands 🇳🇴 Norway 🇬🇧 United Kingdom 🇺🇸 United States