Japanese Weasel vs Rook

Mustela itatsi compared with Corvus frugilegus

Key Differences

• Japanese Weasel is Near Threatened while Rook is Least Concern.

Taxonomic Classification

Rank	Japanese Weasel	Rook
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Carnivora (Carnivorans)	Passeriformes (Songbirds)
Family	Mustelidae (Weasels & Otters)	Corvidae (Crows & Ravens)
Genus	Mustela	Corvus (Crows & Ravens)
Species	Mustela itatsi	Corvus frugilegus

Evolutionary Relationship

Japanese Weasel and Rook share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Japanese Weasel

NT — Near Threatened

Rook

LC — Least Concern

Physical Characteristics

Attribute	Japanese Weasel	Rook
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.

Rook

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Found across Europe (5 countries) and Oceania and the Pacific (New Zealand).

Rook

Rook (Corvus frugilegus) 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.