Amazonian Marsh Rat vs Black-headed Dwarf

Holochilus sciureus compared with Elachista atricomella

Taxonomic Classification

Rank	Amazonian Marsh Rat	Black-headed 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	Holochilus	Elachista
Species	Holochilus sciureus	Elachista atricomella

Evolutionary Relationship

Amazonian Marsh Rat and Black-headed Dwarf share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Amazonian Marsh Rat

LC — Least Concern

Black-headed Dwarf

LC — Least Concern

Physical Characteristics

Attribute	Amazonian Marsh Rat	Black-headed Dwarf
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amazonian Marsh Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.

Black-headed Dwarf

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

Amazonian Marsh Rat

The Amazonian Marsh Rat (Holochilus sciureus) is a species in the genus Holochilus. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

Black-headed Dwarf

The Black-headed Dwarf (Elachista atricomella) is a species in the genus Elachista. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.