Japanese Weasel vs Royle s Pika

Mustela itatsi compared with Ochotona roylii

Key Differences

• Japanese Weasel is Near Threatened while Royle s Pika is Least Concern.

Taxonomic Classification

Rank	Japanese Weasel	Royle s Pika
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Carnivora (Carnivorans)	Lagomorpha (Rabbits & Hares)
Family	Mustelidae (Weasels & Otters)	Ochotonidae
Genus	Mustela	Ochotona
Species	Mustela itatsi	Ochotona roylii

Evolutionary Relationship

Japanese Weasel and Royle s Pika share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Japanese Weasel

NT — Near Threatened

Royle s Pika

LC — Least Concern

Physical Characteristics

Attribute	Japanese Weasel	Royle s Pika
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.

Royle s Pika

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.