Ecuadorian Cotton Rat vs Long-tailed Ground Squirrel

Sigmodon inopinatus compared with Urocitellus undulatus

Key Differences

• Ecuadorian Cotton Rat is Vulnerable while Long-tailed Ground Squirrel is Least Concern.

Taxonomic Classification

Rank	Ecuadorian Cotton Rat	Long-tailed Ground Squirrel
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	Cricetidae	Sciuridae (Squirrels)
Genus	Sigmodon	Urocitellus
Species	Sigmodon inopinatus	Urocitellus undulatus

Evolutionary Relationship

Ecuadorian Cotton Rat and Long-tailed Ground Squirrel share a common ancestor at the Order level: Rodentia. (Rodents)

Conservation Status

Ecuadorian Cotton Rat

VU — Vulnerable

Long-tailed Ground Squirrel

LC — Least Concern

Physical Characteristics

Attribute	Ecuadorian Cotton Rat	Long-tailed Ground Squirrel
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Ecuadorian Cotton Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

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

Long-tailed Ground Squirrel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.