Eurasian beaver vs small tortoiseshell

Castor fiber compared with Aglais urticae

Key Differences

• Eurasian beaver is Vulnerable while small tortoiseshell is Near Threatened.

Taxonomic Classification

Rank	Eurasian beaver	small tortoiseshell
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (cordados)	Arthropoda (artrópode)
Class	Mammalia (mamíferos)	Insecta (inseto)
Order	Rodentia (Roedores)	Lepidoptera (Butterflies & Moths)
Family	Castoridae (Beavers)	Nymphalidae (Brush-footed Butterflies)
Genus	Castor (Beavers)	Aglais
Species	Castor fiber	Aglais urticae

Evolutionary Relationship

Eurasian beaver and small tortoiseshell share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Eurasian beaver

VU — Vulnerable

small tortoiseshell

NT — Near Threatened

Physical Characteristics

Attribute	Eurasian beaver	small tortoiseshell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Eurasian beaver

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found across Europe (6 countries). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

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.

Eurasian beaver

O castor-europeu (Castor fiber) é classificado como Vulnerável (VU) na Lista Vermelha da IUCN. Enfrenta alto risco de ameaça no estado selvagem, com populações em declínio e crescente pressão sobre o habitat.

small tortoiseshell

A borboleta-urtiga-pequena (Aglais urticae) esta classificada como Quase Ameacada (NT) na Lista Vermelha da UICN. Proxima de se qualificar como ameacada, com populacoes que podem se tornar vulneraveis sem acoes de conservacao.

Shared Countries

Both species can be found in 6 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇵🇹 Portugal 🇷🇺 Russia 🇸🇪 Sweden