Golden Thorius vs Long-tailed Ground Squirrel

Thorius aureus compared with Urocitellus undulatus

Key Differences

• Golden Thorius is Critically Endangered while Long-tailed Ground Squirrel is Least Concern.

Taxonomic Classification

Rank	Golden Thorius	Long-tailed Ground Squirrel
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Amphibia (Amphibians)	Mammalia (Mammals)
Order	Caudata (Caudata)	Rodentia (Rodents)
Family	Plethodontidae	Sciuridae (Squirrels)
Genus	Thorius	Urocitellus
Species	Thorius aureus	Urocitellus undulatus

Evolutionary Relationship

Golden Thorius and Long-tailed Ground Squirrel share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Golden Thorius

CR — Critically Endangered

Long-tailed Ground Squirrel

LC — Least Concern

Physical Characteristics

Attribute	Golden Thorius	Long-tailed Ground Squirrel
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Golden Thorius

Habitat

Found across multiple habitat types including tropical and subtropical coniferous forests, tropical and subtropical grasslands and savannas, and Mediterranean forests and woodlands, among 6 distinct biome types spanning the Nearctic and Neotropic realms. Populations are also found in montane and highland environments at higher elevations.

Range

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

Long-tailed Ground Squirrel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.