Japanese Weasel vs Silky Wave

Mustela itatsi compared with Idaea dilutaria

Key Differences

• Japanese Weasel is Near Threatened while Silky Wave is Endangered.

Taxonomic Classification

Rank	Japanese Weasel	Silky Wave
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Carnivora (Carnivorans)	Lepidoptera (Butterflies & Moths)
Family	Mustelidae (Weasels & Otters)	Geometridae
Genus	Mustela	Idaea
Species	Mustela itatsi	Idaea dilutaria

Evolutionary Relationship

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

Conservation Status

Japanese Weasel

NT — Near Threatened

Silky Wave

EN — Endangered

Physical Characteristics

Attribute	Japanese Weasel	Silky Wave
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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.

Silky Wave

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium and Sweden. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.