Canadian beaver vs Schaerer'S Disc Lichen

Castor canadensis compared with Buellia schaereri

Key Differences

Canadian beaver is Not Evaluated while Schaerer'S Disc Lichen is Endangered.

Taxonomic Classification

Rank	Canadian beaver	Schaerer'S Disc Lichen
Kingdom	Animalia (動物)	Fungi (菌界)
Phylum	Chordata (脊索動物)	Ascomycota (子嚢菌門)
Class	Mammalia (哺乳類)	Lecanoromycetes (チャシブゴケ菌綱)
Order	Rodentia (ネズミ目)	Caliciales (Caliciales)
Family	Castoridae (Beavers)	Caliciaceae
Genus	Castor (Beavers)	Buellia
Species	Castor canadensis	Buellia schaereri

Conservation Status

Canadian beaver

NE — Not Evaluated

Population: ~15.0M

Trend: Stable →

Schaerer'S Disc Lichen

EN — Endangered

Physical Characteristics

Attribute	Canadian beaver	Schaerer'S Disc Lichen
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).

Schaerer'S Disc Lichen

Habitat

Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Range

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

Canadian beaver

北米最大の齧歯類であるカナダビーバーは体重32kgにも達し、カナダ・米国北部の河川、湖沼、湿地に生息する優れた生態系エンジニアです。木を倒して数百メートルに及ぶダムを造ることで池を形成し、数百種の生息環境を提供します。その巣穴や運河は流域全体を変化させます。かつては毛皮のために絶滅寸前まで狩られましたが、個体数は大きく回復しています。