Eurasian beaver vs Lesser Spotted Fritillary

Castor fiber compared with Melitaea trivia

Key Differences

• Eurasian beaver is Vulnerable while Lesser Spotted Fritillary is Least Concern.

Taxonomic Classification

Rank	Eurasian beaver	Lesser Spotted Fritillary
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Rodentia (Rodents)	Lepidoptera (Butterflies & Moths)
Family	Castoridae (Beavers)	Nymphalidae (Brush-footed Butterflies)
Genus	Castor (Beavers)	Melitaea
Species	Castor fiber	Melitaea trivia

Evolutionary Relationship

Eurasian beaver and Lesser Spotted Fritillary share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Eurasian beaver

VU — Vulnerable

Lesser Spotted Fritillary

LC — Least Concern

Physical Characteristics

Attribute	Eurasian beaver	Lesser Spotted Fritillary
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.

Lesser Spotted Fritillary

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (21 countries).

Eurasian beaver

Eurasian beaver (Castor fiber) is classified as Vulnerable (VU) on the IUCN Red List. Facing a high risk of endangerment in the wild, with declining populations and increasing habitat pressure.

Shared Countries

Both species can be found in 2 countries:

🇵🇹 Portugal 🇷🇺 Russia