American red squirrel vs Smith's Thorius

Tamiasciurus hudsonicus compared with Thorius smithi

Key Differences

• American red squirrel is Not Evaluated while Smith's Thorius is Critically Endangered.

Taxonomic Classification

Rank	American red 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	Tamiasciurus	Thorius
Species	Tamiasciurus hudsonicus	Thorius smithi

Evolutionary Relationship

American red squirrel and Smith's Thorius share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

American red squirrel

NE — Not Evaluated

Smith's Thorius

CR — Critically Endangered

Physical Characteristics

Attribute	American red squirrel	Smith's Thorius
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

American red squirrel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found across Europe (6 countries) and North America (United States).

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.

American red squirrel

The American red squirrel (Tamiasciurus hudsonicus) is a species in the genus Tamiasciurus. Typically found in diverse terrestrial and aquatic ecosystems.