Long-tailed Ground Squirrel vs Merriam’s Pocket Mouse

Urocitellus undulatus compared with Perognathus merriami

Taxonomic Classification

Rank	Long-tailed Ground Squirrel	Merriam’s Pocket Mouse
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order same	Rodentia (Rodents)	Rodentia (Rodents)
Family	Sciuridae (Squirrels)	Heteromyidae
Genus	Urocitellus	Perognathus
Species	Urocitellus undulatus	Perognathus merriami

Evolutionary Relationship

Long-tailed Ground Squirrel and Merriam’s Pocket Mouse share a common ancestor at the Order level: Rodentia. (Rodents)

Conservation Status

Long-tailed Ground Squirrel

LC — Least Concern

Merriam’s Pocket Mouse

LC — Least Concern

Physical Characteristics

Attribute	Long-tailed Ground Squirrel	Merriam’s Pocket Mouse
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Long-tailed Ground Squirrel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Merriam’s Pocket Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.