Clouded Yellow vs Japanese Weasel

Colias croceus compared with Mustela itatsi

Key Differences

• Clouded Yellow is Least Concern while Japanese Weasel is Near Threatened.

Taxonomic Classification

Rank	Clouded Yellow	Japanese Weasel
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Mammalia (Mammals)
Order	Lepidoptera (Butterflies & Moths)	Carnivora (Carnivorans)
Family	Pieridae	Mustelidae (Weasels & Otters)
Genus	Colias	Mustela
Species	Colias croceus	Mustela itatsi

Evolutionary Relationship

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

Conservation Status

Clouded Yellow

LC — Least Concern

Japanese Weasel

NT — Near Threatened

Physical Characteristics

Attribute	Clouded Yellow	Japanese Weasel
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).

Japanese Weasel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Japan. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.