Ecuadorian Cotton Rat vs Obscure Dwarf

Sigmodon inopinatus compared with Elachista humilis

Key Differences

• Ecuadorian Cotton Rat is Vulnerable while Obscure Dwarf is Least Concern.

Taxonomic Classification

Rank	Ecuadorian Cotton Rat	Obscure Dwarf
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Rodentia (Rodents)	Lepidoptera (Butterflies & Moths)
Family	Cricetidae	Elachistidae
Genus	Sigmodon	Elachista
Species	Sigmodon inopinatus	Elachista humilis

Evolutionary Relationship

Ecuadorian Cotton Rat and Obscure Dwarf share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Ecuadorian Cotton Rat

VU — Vulnerable

Obscure Dwarf

LC — Least Concern

Physical Characteristics

Attribute	Ecuadorian Cotton Rat	Obscure Dwarf
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.

Obscure Dwarf

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.