Nelson s Antelope Squirrel vs Smith's Thorius

Ammospermophilus nelsoni compared with Thorius smithi

Key Differences

• Nelson s Antelope Squirrel is Endangered while Smith's Thorius is Critically Endangered.

Taxonomic Classification

Rank	Nelson s Antelope Squirrel	Smith's Thorius
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Amphibia (Amphibians)
Order	Rodentia (Rodents)	Caudata (Caudata)
Family	Sciuridae (Squirrels)	Plethodontidae
Genus	Ammospermophilus	Thorius
Species	Ammospermophilus nelsoni	Thorius smithi

Evolutionary Relationship

Nelson s Antelope Squirrel and Smith's Thorius share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Nelson s Antelope Squirrel

EN — Endangered

Smith's Thorius

CR — Critically Endangered

Physical Characteristics

Attribute	Nelson s Antelope Squirrel	Smith's Thorius
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Nelson s Antelope Squirrel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Smith's Thorius

Habitat

Typically found in freshwater habitats, moist forests, and wetlands.

Range

Found in Mexico. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.