Japanese Weasel vs Sirystes

Mustela itatsi compared with Sirystes sibilator

Key Differences

• Japanese Weasel is Near Threatened while Sirystes is Least Concern.

Taxonomic Classification

Rank	Japanese Weasel	Sirystes
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)	Tyrannidae
Genus	Mustela	Sirystes
Species	Mustela itatsi	Sirystes sibilator

Evolutionary Relationship

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

Conservation Status

Japanese Weasel

NT — Near Threatened

Sirystes

LC — Least Concern

Physical Characteristics

Attribute	Japanese Weasel	Sirystes
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.

Sirystes

Habitat

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

Range

Distributed across Colombia and Norway.