Japanese Weasel vs Small Beech Pigmy

Mustela itatsi compared with Stigmella tityrella

Key Differences

• Japanese Weasel is Near Threatened while Small Beech Pigmy is Least Concern.

Taxonomic Classification

Rank	Japanese Weasel	Small Beech Pigmy
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Carnivora (Carnivorans)	Lepidoptera (Butterflies & Moths)
Family	Mustelidae (Weasels & Otters)	Nepticulidae
Genus	Mustela	Stigmella
Species	Mustela itatsi	Stigmella tityrella

Evolutionary Relationship

Japanese Weasel and Small Beech Pigmy share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Japanese Weasel

NT — Near Threatened

Small Beech Pigmy

LC — Least Concern

Physical Characteristics

Attribute	Japanese Weasel	Small Beech Pigmy
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.

Small Beech Pigmy

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.