Japanese Weasel vs Javan Tesia

Mustela itatsi compared with Tesia superciliaris

Key Differences

• Japanese Weasel is Near Threatened while Javan Tesia is Least Concern.

Taxonomic Classification

Rank	Japanese Weasel	Javan Tesia
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)	Cettiidae
Genus	Mustela	Tesia
Species	Mustela itatsi	Tesia superciliaris

Evolutionary Relationship

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

Conservation Status

Japanese Weasel

NT — Near Threatened

Javan Tesia

LC — Least Concern

Physical Characteristics

Attribute	Japanese Weasel	Javan Tesia
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.

Javan Tesia

Habitat

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

Range

Found in Norway.