Bobr Kanadskii vs small tortoiseshell

Castor canadensis compared with Aglais urticae

Key Differences

• Bobr Kanadskii is Not Evaluated while small tortoiseshell is Near Threatened.

Taxonomic Classification

Rank	Bobr Kanadskii	small tortoiseshell
Kingdom same	Animalia (животные)	Animalia (животные)
Phylum	Chordata (хордовые)	Arthropoda (членистоногие)
Class	Mammalia (млекопитающие)	Insecta (насекомые)
Order	Rodentia (грызуны)	Lepidoptera (чешуекрылые)
Family	Castoridae (Beavers)	Nymphalidae (Brush-footed Butterflies)
Genus	Castor (Beavers)	Aglais
Species	Castor canadensis	Aglais urticae

Evolutionary Relationship

Bobr Kanadskii and small tortoiseshell share a common ancestor at the Kingdom level: Animalia. (животные)

Conservation Status

Bobr Kanadskii

NE — Not Evaluated

Population: ~15.0M

Trend: Stable →

small tortoiseshell

NT — Near Threatened

Physical Characteristics

Attribute	Bobr Kanadskii	small tortoiseshell
Diet	Herbivore	—
Average Lifespan	15 years	—
Average Length	1.0 m	—
Average Weight	25.0 kg	—

Habitat & Geographic Range

Bobr Kanadskii

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).

small tortoiseshell

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (41 countries). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Bobr Kanadskii

The largest rodent in North America, Canadian beavers weigh up to 32 kg and are master ecosystem engineers inhabiting rivers, lakes, and wetlands across Canada and the northern United States. By felling trees and constructing dams up to hundreds of meters long, beavers create ponds that provide habitat for hundreds of species. Their lodges and canals transform entire watersheds. Once nearly hunted to extinction for their fur, beaver populations have recovered strongly.

small tortoiseshell

small tortoiseshell (Aglais urticae) is classified as Near Threatened (NT) on the IUCN Red List. Close to qualifying as threatened, with populations that may become vulnerable without conservation action.

Shared Countries

Both species can be found in 15 countries:

🇦🇹 Austria 🇧🇪 Belgium 🇫🇮 Finland 🇫🇷 France 🇩🇪 Germany 🇭🇺 Hungary 🇱🇺 Luxembourg 🇳🇱 Netherlands 🇳🇴 Norway 🇵🇱 Poland 🇵🇹 Portugal 🇷🇺 Russia 🇸🇪 Sweden 🇺🇦 Ukraine 🇬🇧 United Kingdom