Pallid Ground Squirrel vs Ruby-Crowned Kinglet

Spermophilus pallidicauda compared with Regulus calendula

Taxonomic Classification

Rank	Pallid Ground Squirrel	Ruby-Crowned Kinglet
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Rodentia (Rodents)	Passeriformes (Songbirds)
Family	Sciuridae (Squirrels)	Regulidae
Genus	Spermophilus	Regulus
Species	Spermophilus pallidicauda	Regulus calendula

Evolutionary Relationship

Pallid Ground Squirrel and Ruby-Crowned Kinglet share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Pallid Ground Squirrel

LC — Least Concern

Ruby-Crowned Kinglet

LC — Least Concern

Physical Characteristics

Attribute	Pallid Ground Squirrel	Ruby-Crowned Kinglet
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Pallid Ground Squirrel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Ruby-Crowned Kinglet

Habitat

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

Range

Distributed across Norway and United States.