Caatinga laucha vs Fen Roller

Calomys expulsus compared with Ancylis paludana

Key Differences

• Caatinga laucha is Least Concern while Fen Roller is Near Threatened.

Taxonomic Classification

Rank	Caatinga laucha	Fen Roller
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Rodentia (Rodents)	Lepidoptera (Butterflies & Moths)
Family	Cricetidae	Tortricidae
Genus	Calomys	Ancylis
Species	Calomys expulsus	Ancylis paludana

Evolutionary Relationship

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

Conservation Status

Caatinga laucha

LC — Least Concern

Fen Roller

NT — Near Threatened

Physical Characteristics

Attribute	Caatinga laucha	Fen Roller
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Caatinga laucha

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Fen Roller

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.