Arizona Gray Squirrel vs Dusky Starfrontlet

Sciurus arizonensis compared with Coeligena orina

Key Differences

• Arizona Gray Squirrel is Data Deficient while Dusky Starfrontlet is Critically Endangered.

Taxonomic Classification

Rank	Arizona Gray Squirrel	Dusky Starfrontlet
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Rodentia (Rodents)	Apodiformes (Apodiformes)
Family	Sciuridae (Squirrels)	Trochilidae
Genus	Sciurus (Tree Squirrels)	Coeligena
Species	Sciurus arizonensis	Coeligena orina

Evolutionary Relationship

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

Conservation Status

Arizona Gray Squirrel

DD — Data Deficient

Dusky Starfrontlet

CR — Critically Endangered

Physical Characteristics

Attribute	Arizona Gray Squirrel	Dusky Starfrontlet
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arizona Gray Squirrel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Dusky Starfrontlet

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 5 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 Norway. 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.