Aspen Pigmy vs Polynesian rat

Stigmella assimilella compared with Rattus exulans

Taxonomic Classification

Rank	Aspen Pigmy	Polynesian rat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Mammalia (Mammals)
Order	Lepidoptera (Butterflies & Moths)	Rodentia (Rodents)
Family	Nepticulidae	Muridae (Mice & Rats)
Genus	Stigmella	Rattus
Species	Stigmella assimilella	Rattus exulans

Evolutionary Relationship

Aspen Pigmy and Polynesian rat share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Aspen Pigmy

LC — Least Concern

Polynesian rat

LC — Least Concern

Physical Characteristics

Attribute	Aspen Pigmy	Polynesian rat
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.

Polynesian rat

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical coniferous forests, among 4 distinct biome types spanning the Australasia and Indomalayan realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (6 countries), Europe (United Kingdom), North America (United States), Oceania and the Pacific (11 countries), and South America (Chile).

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.