Arizona Gray Squirrel vs Brown Violetear

Sciurus arizonensis compared with Colibri delphinae

Key Differences

• Arizona Gray Squirrel is Data Deficient while Brown Violetear is Least Concern.

Taxonomic Classification

Rank	Arizona Gray Squirrel	Brown Violetear
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)	Colibri
Species	Sciurus arizonensis	Colibri delphinae

Evolutionary Relationship

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

Conservation Status

Arizona Gray Squirrel

DD — Data Deficient

Brown Violetear

LC — Least Concern

Physical Characteristics

Attribute	Arizona Gray Squirrel	Brown Violetear
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arizona Gray Squirrel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Brown Violetear

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

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 Violetear

The only predominantly brown hummingbird in the violetear genus, brown violetears have brownish-bronze upper parts and a diagnostic violet-blue ear patch. Found across a broad range of humid forest and forest edge from Guatemala south through Venezuela, Colombia, and Brazil to Bolivia. Inhabiting elevations from lowland to 2,000 meters, they are found in forest interior, forest edge, and gardens. Despite relatively drab plumage for a hummingbird, the violet ear patch glitters vividly in direct sunlight.