Arizona Gray Squirrel vs Surprise Thorius

Sciurus arizonensis compared with Thorius insperatus

Key Differences

• Arizona Gray Squirrel is Data Deficient while Surprise Thorius is Critically Endangered.

Taxonomic Classification

Rank	Arizona Gray Squirrel	Surprise 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	Sciurus (Tree Squirrels)	Thorius
Species	Sciurus arizonensis	Thorius insperatus

Evolutionary Relationship

Arizona Gray Squirrel and Surprise Thorius share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Arizona Gray Squirrel

DD — Data Deficient

Surprise Thorius

CR — Critically Endangered

Physical Characteristics

Attribute	Arizona Gray Squirrel	Surprise Thorius
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arizona Gray Squirrel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Surprise 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.

Arizona Gray Squirrel

The Arizona Gray Squirrel, Sciurus arizonensis, is a species. Its conservation status is listed as Data Deficient, meaning insufficient information exists to assess its risk of extinction. Typically found in diverse terrestrial and aquatic ecosystems.