Japanese Weasel vs Pine Siskin

Mustela itatsi compared with Spinus pinus

Key Differences

• Japanese Weasel is Near Threatened while Pine Siskin is Least Concern.

Taxonomic Classification

Rank	Japanese Weasel	Pine Siskin
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)	Fringillidae
Genus	Mustela	Spinus
Species	Mustela itatsi	Spinus pinus

Evolutionary Relationship

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

Conservation Status

Japanese Weasel

NT — Near Threatened

Pine Siskin

LC — Least Concern

Physical Characteristics

Attribute	Japanese Weasel	Pine Siskin
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.

Pine Siskin

Habitat

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

Range

Distributed across Norway and United States.