Amazonian Marsh Rat vs Smith's Thorius

Holochilus sciureus compared with Thorius smithi

Key Differences

• Amazonian Marsh Rat is Least Concern while Smith's Thorius is Critically Endangered.

Taxonomic Classification

Rank	Amazonian Marsh Rat	Smith's Thorius
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Amphibia (Amphibians)
Order	Rodentia (Rodents)	Caudata (Caudata)
Family	Cricetidae	Plethodontidae
Genus	Holochilus	Thorius
Species	Holochilus sciureus	Thorius smithi

Evolutionary Relationship

Amazonian Marsh Rat and Smith's Thorius share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Amazonian Marsh Rat

LC — Least Concern

Smith's Thorius

CR — Critically Endangered

Physical Characteristics

Attribute	Amazonian Marsh Rat	Smith's Thorius
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.

Smith's Thorius

Habitat

Typically found in freshwater habitats, moist forests, and wetlands.

Range

Found in Mexico. Currently classified as Critically 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.