Japanese Weasel vs Pill Beetle

Mustela itatsi compared with Byrrhus pilula

Key Differences

• Japanese Weasel is Near Threatened while Pill Beetle is Least Concern.

Taxonomic Classification

Rank	Japanese Weasel	Pill Beetle
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Carnivora (Carnivorans)	Coleoptera (Beetles)
Family	Mustelidae (Weasels & Otters)	Byrrhidae
Genus	Mustela	Byrrhus
Species	Mustela itatsi	Byrrhus pilula

Evolutionary Relationship

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

Conservation Status

Japanese Weasel

NT — Near Threatened

Pill Beetle

LC — Least Concern

Physical Characteristics

Attribute	Japanese Weasel	Pill Beetle
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.

Pill Beetle

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Canada, Denmark, Norway, and Sweden.