Nelson s Antelope Squirrel vs Pine Siskin

Ammospermophilus nelsoni compared with Spinus pinus

Key Differences

• Nelson s Antelope Squirrel is Endangered while Pine Siskin is Least Concern.

Taxonomic Classification

Rank	Nelson s Antelope Squirrel	Pine Siskin
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)	Fringillidae
Genus	Ammospermophilus	Spinus
Species	Ammospermophilus nelsoni	Spinus pinus

Evolutionary Relationship

Nelson s Antelope Squirrel and Pine Siskin share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Nelson s Antelope Squirrel

EN — Endangered

Pine Siskin

LC — Least Concern

Physical Characteristics

Attribute	Nelson s Antelope Squirrel	Pine Siskin
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Nelson s Antelope Squirrel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Pine Siskin

Habitat

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

Range

Distributed across Norway and United States.