arroyo toad vs Napo Spiny-rat

Anaxyrus californicus compared with Proechimys quadruplicatus

Key Differences

• arroyo toad is Endangered while Napo Spiny-rat is Least Concern.

Taxonomic Classification

Rank	arroyo toad	Napo Spiny-rat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Amphibia (Amphibians)	Mammalia (Mammals)
Order	Anura (Frogs & Toads)	Rodentia (Rodents)
Family	Bufonidae	Echimyidae
Genus	Anaxyrus	Proechimys
Species	Anaxyrus californicus	Proechimys quadruplicatus

Evolutionary Relationship

arroyo toad and Napo Spiny-rat share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

arroyo toad

EN — Endangered

Napo Spiny-rat

LC — Least Concern

Physical Characteristics

Attribute	arroyo toad	Napo Spiny-rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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.

Napo Spiny-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela.

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.