Common Bluetail vs Pacific Spiny-rat

Ischnura elegans compared with Proechimys decumanus

Key Differences

• Common Bluetail is Least Concern while Pacific Spiny-rat is Near Threatened.

Taxonomic Classification

Rank	Common Bluetail	Pacific Spiny-rat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Mammalia (Mammals)
Order	Odonata (Odonata)	Rodentia (Rodents)
Family	Coenagrionidae	Echimyidae
Genus	Ischnura	Proechimys
Species	Ischnura elegans	Proechimys decumanus

Evolutionary Relationship

Common Bluetail and Pacific Spiny-rat share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Common Bluetail

LC — Least Concern

Pacific Spiny-rat

NT — Near Threatened

Physical Characteristics

Attribute	Common Bluetail	Pacific Spiny-rat
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.

Pacific Spiny-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador. 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.