Japanese Weasel vs Swallow Nycteoline

Mustela itatsi compared with Nycteola degenerana

Key Differences

• Japanese Weasel is Near Threatened while Swallow Nycteoline is Least Concern.

Taxonomic Classification

Rank	Japanese Weasel	Swallow Nycteoline
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)	Nolidae
Genus	Mustela	Nycteola
Species	Mustela itatsi	Nycteola degenerana

Evolutionary Relationship

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

Conservation Status

Japanese Weasel

NT — Near Threatened

Swallow Nycteoline

LC — Least Concern

Physical Characteristics

Attribute	Japanese Weasel	Swallow Nycteoline
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.

Swallow Nycteoline

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Denmark, Norway, and Sweden.