Merriam’s Pocket Mouse vs Speckled Treefrog

Perognathus merriami compared with Sarcohyla psarosema

Key Differences

• Merriam’s Pocket Mouse is Least Concern while Speckled Treefrog is Critically Endangered.

Taxonomic Classification

Rank	Merriam’s Pocket Mouse	Speckled Treefrog
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	Hylidae
Genus	Perognathus	Sarcohyla
Species	Perognathus merriami	Sarcohyla psarosema

Evolutionary Relationship

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

Conservation Status

Merriam’s Pocket Mouse

LC — Least Concern

Speckled Treefrog

CR — Critically Endangered

Physical Characteristics

Attribute	Merriam’s Pocket Mouse	Speckled Treefrog
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Merriam’s Pocket Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Speckled Treefrog

Habitat

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

Range

Found in Mexico. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.