Merriam’s Pocket Mouse vs Rivera Redbelly Toad

Perognathus merriami compared with Melanophryniscus devincenzii

Key Differences

• Merriam’s Pocket Mouse is Least Concern while Rivera Redbelly Toad is Endangered.

Taxonomic Classification

Rank	Merriam’s Pocket Mouse	Rivera Redbelly 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	Heteromyidae	Bufonidae
Genus	Perognathus	Melanophryniscus
Species	Perognathus merriami	Melanophryniscus devincenzii

Evolutionary Relationship

Merriam’s Pocket Mouse and Rivera Redbelly Toad share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Merriam’s Pocket Mouse

LC — Least Concern

Rivera Redbelly Toad

EN — Endangered

Physical Characteristics

Attribute	Merriam’s Pocket Mouse	Rivera Redbelly Toad
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Merriam’s Pocket Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Rivera Redbelly Toad

Habitat

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