Japanese Weasel vs Olive Sparrow

Mustela itatsi compared with Arremonops rufivirgatus

Key Differences

• Japanese Weasel is Near Threatened while Olive Sparrow is Least Concern.

Taxonomic Classification

Rank	Japanese Weasel	Olive Sparrow
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)	Passerellidae
Genus	Mustela	Arremonops
Species	Mustela itatsi	Arremonops rufivirgatus

Evolutionary Relationship

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

Conservation Status

Japanese Weasel

NT — Near Threatened

Olive Sparrow

LC — Least Concern

Physical Characteristics

Attribute	Japanese Weasel	Olive Sparrow
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.

Olive Sparrow

Habitat

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

Range

Found in Norway.