Common Bluetail vs Japanese Weasel

Ischnura elegans compared with Mustela itatsi

Key Differences

• Common Bluetail is Least Concern while Japanese Weasel is Near Threatened.

Taxonomic Classification

Rank	Common Bluetail	Japanese Weasel
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Mammalia (Mammals)
Order	Odonata (Odonata)	Carnivora (Carnivorans)
Family	Coenagrionidae	Mustelidae (Weasels & Otters)
Genus	Ischnura	Mustela
Species	Ischnura elegans	Mustela itatsi

Evolutionary Relationship

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

Conservation Status

Common Bluetail

LC — Least Concern

Japanese Weasel

NT — Near Threatened

Physical Characteristics

Attribute	Common Bluetail	Japanese Weasel
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Common Bluetail

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Luxembourg, 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.

Common Bluetail

Common Bluetail (Ischnura elegans) 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.