Caatinga laucha vs Northern Emerald

Calomys expulsus compared with Somatochlora arctica

Key Differences

• Caatinga laucha is Least Concern while Northern Emerald is Endangered.

Taxonomic Classification

Rank	Caatinga laucha	Northern Emerald
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Rodentia (Rodents)	Odonata (Odonata)
Family	Cricetidae	Corduliidae
Genus	Calomys	Somatochlora
Species	Calomys expulsus	Somatochlora arctica

Evolutionary Relationship

Caatinga laucha and Northern Emerald share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Caatinga laucha

LC — Least Concern

Northern Emerald

EN — Endangered

Physical Characteristics

Attribute	Caatinga laucha	Northern Emerald
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Caatinga laucha

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Northern Emerald

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, Sweden, and Ukraine. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Caatinga laucha

The Caatinga laucha (Calomys expulsus) is a species in the genus Calomys. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

Northern Emerald

Northern Emerald (Somatochlora arctica) is classified as Endangered (EN) on the IUCN Red List. At high risk of extinction in the wild, with significant population decline and ongoing threats to survival.