Clouded Yellow vs Eurasian beaver

Colias croceus compared with Castor fiber

Key Differences

• Clouded Yellow is Least Concern while Eurasian beaver is Vulnerable.

Taxonomic Classification

Rank	Clouded Yellow	Eurasian beaver
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Mammalia (Mammals)
Order	Lepidoptera (Butterflies & Moths)	Rodentia (Rodents)
Family	Pieridae	Castoridae (Beavers)
Genus	Colias	Castor (Beavers)
Species	Colias croceus	Castor fiber

Evolutionary Relationship

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

Conservation Status

Clouded Yellow

LC — Least Concern

Eurasian beaver

VU — Vulnerable

Physical Characteristics

Attribute	Clouded Yellow	Eurasian beaver
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Clouded Yellow

Habitat

Inhabits Mediterranean forests and woodlands within the Palearctic biogeographic realm.

Range

Found across Asia (Cyprus) and Europe (40 countries).

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.

Clouded Yellow

Clouded Yellow (Colias croceus) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.

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 6 countries:

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