Pallid Ground Squirrel vs Smith's Thorius

Spermophilus pallidicauda compared with Thorius smithi

Key Differences

• Pallid Ground Squirrel is Least Concern while Smith's Thorius is Critically Endangered.

Taxonomic Classification

Rank	Pallid Ground Squirrel	Smith's Thorius
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Amphibia (Amphibians)
Order	Rodentia (Rodents)	Caudata (Caudata)
Family	Sciuridae (Squirrels)	Plethodontidae
Genus	Spermophilus	Thorius
Species	Spermophilus pallidicauda	Thorius smithi

Evolutionary Relationship

Pallid Ground Squirrel and Smith's Thorius share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Pallid Ground Squirrel

LC — Least Concern

Smith's Thorius

CR — Critically Endangered

Physical Characteristics

Attribute	Pallid Ground Squirrel	Smith's Thorius
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Pallid Ground Squirrel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Smith's Thorius

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.