Caatinga laucha vs Swan-feather Dwarf

Calomys expulsus compared with Elachista argentella

Key Differences

• Caatinga laucha is Least Concern while Swan-feather Dwarf is Endangered.

Taxonomic Classification

Rank	Caatinga laucha	Swan-feather Dwarf
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Rodentia (Rodents)	Lepidoptera (Butterflies & Moths)
Family	Cricetidae	Elachistidae
Genus	Calomys	Elachista
Species	Calomys expulsus	Elachista argentella

Evolutionary Relationship

Caatinga laucha and Swan-feather Dwarf share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Caatinga laucha

LC — Least Concern

Swan-feather Dwarf

EN — Endangered

Physical Characteristics

Attribute	Caatinga laucha	Swan-feather Dwarf
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Caatinga laucha

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Swan-feather Dwarf

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden. 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.