Nelson s Antelope Squirrel vs Pacific Spiny-rat

Ammospermophilus nelsoni compared with Proechimys decumanus

Key Differences

• Nelson s Antelope Squirrel is Endangered while Pacific Spiny-rat is Near Threatened.

Taxonomic Classification

Rank	Nelson s Antelope Squirrel	Pacific Spiny-rat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order same	Rodentia (Rodents)	Rodentia (Rodents)
Family	Sciuridae (Squirrels)	Echimyidae
Genus	Ammospermophilus	Proechimys
Species	Ammospermophilus nelsoni	Proechimys decumanus

Evolutionary Relationship

Nelson s Antelope Squirrel and Pacific Spiny-rat share a common ancestor at the Order level: Rodentia. (Rodents)

Conservation Status

Nelson s Antelope Squirrel

EN — Endangered

Pacific Spiny-rat

NT — Near Threatened

Physical Characteristics

Attribute	Nelson s Antelope Squirrel	Pacific Spiny-rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Nelson s Antelope Squirrel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Pacific Spiny-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.