Forest Giant Squirrel vs Surprise Thorius

Protoxerus stangeri compared with Thorius insperatus

Key Differences

• Forest Giant Squirrel is Least Concern while Surprise Thorius is Critically Endangered.

Taxonomic Classification

Rank	Forest Giant Squirrel	Surprise 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	Protoxerus	Thorius
Species	Protoxerus stangeri	Thorius insperatus

Evolutionary Relationship

Forest Giant Squirrel and Surprise Thorius share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Forest Giant Squirrel

LC — Least Concern

Surprise Thorius

CR — Critically Endangered

Physical Characteristics

Attribute	Forest Giant Squirrel	Surprise Thorius
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Forest Giant Squirrel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Surprise 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.