Japanese Weasel vs Pacific Wren

Mustela itatsi compared with Troglodytes pacificus

Key Differences

• Japanese Weasel is Near Threatened while Pacific Wren is Least Concern.

Taxonomic Classification

Rank	Japanese Weasel	Pacific Wren
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)	Troglodytidae
Genus	Mustela	Troglodytes
Species	Mustela itatsi	Troglodytes pacificus

Evolutionary Relationship

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

Conservation Status

Japanese Weasel

NT — Near Threatened

Pacific Wren

LC — Least Concern

Physical Characteristics

Attribute	Japanese Weasel	Pacific Wren
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.

Pacific Wren

Habitat

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

Range

Found in Norway.