Arizona Gray Squirrel vs Simons’s Mouse Opossum

Sciurus arizonensis compared with Marmosa simonsi

Key Differences

• Arizona Gray Squirrel is Data Deficient while Simons’s Mouse Opossum is Not Evaluated.

Taxonomic Classification

Rank	Arizona Gray Squirrel	Simons’s Mouse Opossum
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Rodentia (Rodents)	Didelphimorphia (Didelphimorphia)
Family	Sciuridae (Squirrels)	Didelphidae
Genus	Sciurus (Tree Squirrels)	Marmosa
Species	Sciurus arizonensis	Marmosa simonsi

Evolutionary Relationship

Arizona Gray Squirrel and Simons’s Mouse Opossum share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Arizona Gray Squirrel

DD — Data Deficient

Simons’s Mouse Opossum

NE — Not Evaluated

Physical Characteristics

Attribute	Arizona Gray Squirrel	Simons’s Mouse Opossum
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arizona Gray Squirrel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Simons’s Mouse Opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador.

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.