Amazonian Marsh Rat vs Pool Frog

Holochilus sciureus compared with Pelophylax lessonae

Key Differences

• Amazonian Marsh Rat is Least Concern while Pool Frog is Critically Endangered.

Taxonomic Classification

Rank	Amazonian Marsh Rat	Pool Frog
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Amphibia (Amphibians)
Order	Rodentia (Rodents)	Anura (Frogs & Toads)
Family	Cricetidae	Ranidae
Genus	Holochilus	Pelophylax
Species	Holochilus sciureus	Pelophylax lessonae

Evolutionary Relationship

Amazonian Marsh Rat and Pool Frog share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Amazonian Marsh Rat

LC — Least Concern

Pool Frog

CR — Critically Endangered

Physical Characteristics

Attribute	Amazonian Marsh Rat	Pool Frog
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.

Pool Frog

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and Mediterranean forests and woodlands within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found across Europe (8 countries). 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.

Pool Frog

Pool Frog (Pelophylax lessonae) is classified as Critically Endangered (CR) on the IUCN Red List. Facing an extremely high risk of extinction in the wild due to severe population decline and habitat loss.