Amazonian Marsh Rat vs Small Crest

Holochilus sciureus compared with Anarsia spartiella

Key Differences

• Amazonian Marsh Rat is Least Concern while Small Crest is Endangered.

Taxonomic Classification

Rank	Amazonian Marsh Rat	Small Crest
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Rodentia (Rodents)	Lepidoptera (Butterflies & Moths)
Family	Cricetidae	Gelechiidae
Genus	Holochilus	Anarsia
Species	Holochilus sciureus	Anarsia spartiella

Evolutionary Relationship

Amazonian Marsh Rat and Small Crest share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Amazonian Marsh Rat

LC — Least Concern

Small Crest

EN — Endangered

Physical Characteristics

Attribute	Amazonian Marsh Rat	Small Crest
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.

Small Crest

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

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

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.