Aspen Pigmy vs Japanese Short-tailed Bat

Stigmella assimilella compared with Eptesicus japonensis

Key Differences

• Aspen Pigmy is Least Concern while Japanese Short-tailed Bat is Vulnerable.

Taxonomic Classification

Rank	Aspen Pigmy	Japanese Short-tailed Bat
Kingdom same	Animalia (animal)	Animalia (animal)
Phylum	Arthropoda (arthropodes)	Chordata (Chordates)
Class	Insecta (insecte)	Mammalia (mammifères)
Order	Lepidoptera (Butterflies & Moths)	Chiroptera (Bats)
Family	Nepticulidae	Vespertilionidae
Genus	Stigmella	Eptesicus
Species	Stigmella assimilella	Eptesicus japonensis

Evolutionary Relationship

Aspen Pigmy and Japanese Short-tailed Bat share a common ancestor at the Kingdom level: Animalia. (animal)

Conservation Status

Aspen Pigmy

LC — Least Concern

Japanese Short-tailed Bat

VU — Vulnerable

Physical Characteristics

Attribute	Aspen Pigmy	Japanese Short-tailed Bat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Aspen Pigmy

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

Japanese Short-tailed Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Aspen Pigmy

The Aspen Pigmy (Stigmella assimilella) is a species in the genus Stigmella. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats. Distributed across Belgium, Denmark, Norway, and Sweden.