Japanese Weasel vs Rufous Wren

Mustela itatsi compared with Cinnycerthia unirufa

Key Differences

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

Taxonomic Classification

Rank	Japanese Weasel	Rufous 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	Cinnycerthia
Species	Mustela itatsi	Cinnycerthia unirufa

Evolutionary Relationship

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

Conservation Status

Japanese Weasel

NT — Near Threatened

Rufous Wren

LC — Least Concern

Physical Characteristics

Attribute	Japanese Weasel	Rufous 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.

Rufous Wren

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

Rufous Wren

Rufous Wren (Cinnycerthia unirufa) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.