Amazonian Marsh Rat vs grey mouse-ear

Holochilus sciureus compared with Cerastium brachypetalum

Key Differences

• Amazonian Marsh Rat is Least Concern while grey mouse-ear is Critically Endangered.

Taxonomic Classification

Rank	Amazonian Marsh Rat	grey mouse-ear
Kingdom	Animalia (Animals)	Plantae (plantas)
Phylum	Chordata (cordados)	Magnoliophyta (Flowering Plants)
Class	Mammalia (mamíferos)	Magnoliopsida (Dicots)
Order	Rodentia (Roedores)	Caryophyllales (Caryophyllales)
Family	Cricetidae	Caryophyllaceae
Genus	Holochilus	Cerastium
Species	Holochilus sciureus	Cerastium brachypetalum

Conservation Status

Amazonian Marsh Rat

LC — Least Concern

grey mouse-ear

CR — Critically Endangered

Physical Characteristics

Attribute	Amazonian Marsh Rat	grey mouse-ear
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.

grey mouse-ear

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and temperate grasslands and steppes, among 4 distinct biome types within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found across Europe (8 countries) and North America (United States). 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.