Amazonian Marsh Rat vs Unicolored Thomasomys

Holochilus sciureus compared with Thomasomys monochromos

Key Differences

• Amazonian Marsh Rat is Least Concern while Unicolored Thomasomys is Endangered.

Taxonomic Classification

Rank	Amazonian Marsh Rat	Unicolored Thomasomys
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 monochromos

Evolutionary Relationship

Amazonian Marsh Rat and Unicolored Thomasomys share a common ancestor at the Family level: Cricetidae.

Conservation Status

Amazonian Marsh Rat

LC — Least Concern

Unicolored Thomasomys

EN — Endangered

Physical Characteristics

Attribute	Amazonian Marsh Rat	Unicolored Thomasomys
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.

Unicolored Thomasomys

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Colombia. 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.

Shared Countries

Both species can be found in 1 countries:

🇨🇴 Colombia