Amazonian Marsh Rat vs arroyo toad

Holochilus sciureus compared with Anaxyrus californicus

Key Differences

• Amazonian Marsh Rat is Least Concern while arroyo toad is Endangered.

Taxonomic Classification

Rank	Amazonian Marsh Rat	arroyo toad
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	Bufonidae
Genus	Holochilus	Anaxyrus
Species	Holochilus sciureus	Anaxyrus californicus

Evolutionary Relationship

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

Conservation Status

Amazonian Marsh Rat

LC — Least Concern

arroyo toad

EN — Endangered

Physical Characteristics

Attribute	Amazonian Marsh Rat	arroyo toad
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.

arroyo toad

Habitat

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

Range

Found in Mexico. 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.

arroyo toad

The Arroyo toad, Anaxyrus californicus, is a species. It is currently assessed as endangered on the IUCN Red List. Typically found in freshwater habitats, moist forests, and wetlands.