Amazonian Marsh Rat vs Niceforo Maria’s Oldfield Mouse

Holochilus sciureus compared with Thomasomys nicefori

Taxonomic Classification

Rank	Amazonian Marsh Rat	Niceforo Maria’s Oldfield Mouse
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order same	Rodentia (Rodents)	Rodentia (Rodents)
Family same	Cricetidae	Cricetidae
Genus	Holochilus	Thomasomys
Species	Holochilus sciureus	Thomasomys nicefori

Evolutionary Relationship

Amazonian Marsh Rat and Niceforo Maria’s Oldfield Mouse share a common ancestor at the Family level: Cricetidae.

View Family: Cricetidae

Conservation Status

Amazonian Marsh Rat

LC — Least Concern

Niceforo Maria’s Oldfield Mouse

LC — Least Concern

Physical Characteristics

Attribute	Amazonian Marsh Rat	Niceforo Maria’s Oldfield Mouse
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.

Niceforo Maria’s Oldfield Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Colombia.

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.