Japanese Weasel vs Worthen's Sparrow

Mustela itatsi compared with Spizella wortheni

Key Differences

• Japanese Weasel is Near Threatened while Worthen's Sparrow is Endangered.

Taxonomic Classification

Rank	Japanese Weasel	Worthen's 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	Spizella
Species	Mustela itatsi	Spizella wortheni

Evolutionary Relationship

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

Conservation Status

Japanese Weasel

NT — Near Threatened

Worthen's Sparrow

EN — Endangered

Physical Characteristics

Attribute	Japanese Weasel	Worthen's 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.

Worthen's Sparrow

Habitat

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

Range

Found in Norway. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.