Arizona Gray Squirrel vs Brown Spider Monkey

Sciurus arizonensis compared with Ateles hybridus

Key Differences

• Arizona Gray Squirrel is Data Deficient while Brown Spider Monkey is Critically Endangered.

Taxonomic Classification

Rank	Arizona Gray Squirrel	Brown Spider Monkey
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Rodentia (Rodents)	Primates (Primates)
Family	Sciuridae (Squirrels)	Atelidae
Genus	Sciurus (Tree Squirrels)	Ateles
Species	Sciurus arizonensis	Ateles hybridus

Evolutionary Relationship

Arizona Gray Squirrel and Brown Spider Monkey share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Arizona Gray Squirrel

DD — Data Deficient

Brown Spider Monkey

CR — Critically Endangered

Physical Characteristics

Attribute	Arizona Gray Squirrel	Brown Spider Monkey
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arizona Gray Squirrel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Brown Spider Monkey

Habitat

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

Range

Distributed across Colombia and Venezuela. 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.

Brown Spider Monkey

The Brown Spider Monkey (Ateles hybridus) is a species in the genus Ateles. It is currently classified as Critically Endangered on the IUCN Red List. Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 6 distinct biome types spanning the