Ecuadorian Cotton Rat vs Fulvous Colilargo

Sigmodon inopinatus compared with Oligoryzomys fulvescens

Key Differences

• Ecuadorian Cotton Rat is Vulnerable while Fulvous Colilargo is Least Concern.

Taxonomic Classification

Rank	Ecuadorian Cotton Rat	Fulvous Colilargo
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class same	Mammalia (mamíferos)	Mammalia (mamíferos)
Order same	Rodentia (Roedores)	Rodentia (Roedores)
Family same	Cricetidae	Cricetidae
Genus	Sigmodon	Oligoryzomys
Species	Sigmodon inopinatus	Oligoryzomys fulvescens

Evolutionary Relationship

Ecuadorian Cotton Rat and Fulvous Colilargo share a common ancestor at the Family level: Cricetidae.

Conservation Status

Ecuadorian Cotton Rat

VU — Vulnerable

Fulvous Colilargo

LC — Least Concern

Physical Characteristics

Attribute	Ecuadorian Cotton Rat	Fulvous Colilargo
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.

Fulvous Colilargo

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Venezuela.