Japanese Weasel vs Sharp-billed Canastero

Mustela itatsi compared with Asthenes pyrrholeuca

Key Differences

• Japanese Weasel is Near Threatened while Sharp-billed Canastero is Least Concern.

Taxonomic Classification

Rank	Japanese Weasel	Sharp-billed Canastero
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)	Furnariidae
Genus	Mustela	Asthenes
Species	Mustela itatsi	Asthenes pyrrholeuca

Evolutionary Relationship

Japanese Weasel and Sharp-billed Canastero share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Japanese Weasel

NT — Near Threatened

Sharp-billed Canastero

LC — Least Concern

Physical Characteristics

Attribute	Japanese Weasel	Sharp-billed Canastero
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.

Sharp-billed Canastero

Habitat

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

Range

Found in Norway.