Japanese Weasel vs Spotted Shag

Mustela itatsi compared with Phalacrocorax punctatus

Key Differences

• Japanese Weasel is Near Threatened while Spotted Shag is Least Concern.

Taxonomic Classification

Rank	Japanese Weasel	Spotted Shag
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Carnivora (Carnivorans)	Suliformes (Suliformes)
Family	Mustelidae (Weasels & Otters)	Phalacrocoracidae
Genus	Mustela	Phalacrocorax
Species	Mustela itatsi	Phalacrocorax punctatus

Evolutionary Relationship

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

Conservation Status

Japanese Weasel

NT — Near Threatened

Spotted Shag

LC — Least Concern

Physical Characteristics

Attribute	Japanese Weasel	Spotted Shag
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.

Spotted Shag

Habitat

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

Range

Found in Norway.