Japanese Weasel vs Yellow-browed Sparrow

Mustela itatsi compared with Ammodramus aurifrons

Key Differences

• Japanese Weasel is Near Threatened while Yellow-browed Sparrow is Least Concern.

Taxonomic Classification

Rank	Japanese Weasel	Yellow-browed 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	Ammodramus
Species	Mustela itatsi	Ammodramus aurifrons

Evolutionary Relationship

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

Conservation Status

Japanese Weasel

NT — Near Threatened

Yellow-browed Sparrow

LC — Least Concern

Physical Characteristics

Attribute	Japanese Weasel	Yellow-browed 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.

Yellow-browed Sparrow

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

Yellow-browed Sparrow

Yellow-browed Sparrow (Ammodramus aurifrons) 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.