Japanese Weasel vs Waller's Starling

Mustela itatsi compared with Onychognathus walleri

Key Differences

• Japanese Weasel is Near Threatened while Waller's Starling is Least Concern.

Taxonomic Classification

Rank	Japanese Weasel	Waller's Starling
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)	Sturnidae
Genus	Mustela	Onychognathus
Species	Mustela itatsi	Onychognathus walleri

Evolutionary Relationship

Japanese Weasel and Waller's Starling share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Japanese Weasel

NT — Near Threatened

Waller's Starling

LC — Least Concern

Physical Characteristics

Attribute	Japanese Weasel	Waller's Starling
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.

Waller's Starling

Habitat

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

Range

Found in Norway.