Buff Dwarf vs Japanese Weasel

Elachista subalbidella compared with Mustela itatsi

Key Differences

• Buff Dwarf is Least Concern while Japanese Weasel is Near Threatened.

Taxonomic Classification

Rank	Buff Dwarf	Japanese Weasel
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Mammalia (Mammals)
Order	Lepidoptera (Butterflies & Moths)	Carnivora (Carnivorans)
Family	Elachistidae	Mustelidae (Weasels & Otters)
Genus	Elachista	Mustela
Species	Elachista subalbidella	Mustela itatsi

Evolutionary Relationship

Buff Dwarf and Japanese Weasel share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Buff Dwarf

LC — Least Concern

Japanese Weasel

NT — Near Threatened

Physical Characteristics

Attribute	Buff Dwarf	Japanese Weasel
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Buff Dwarf

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Canada, Denmark, Norway, and Sweden.

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.

Buff Dwarf

The Buff Dwarf (Elachista subalbidella) is a species in the genus Elachista. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.