Ecuadorian Cotton Rat vs Perijá’s Stream Frog

Sigmodon inopinatus compared with Hyloscirtus japreria

Key Differences

• Ecuadorian Cotton Rat is Vulnerable while Perijá’s Stream Frog is Endangered.

Taxonomic Classification

Rank	Ecuadorian Cotton Rat	Perijá’s Stream Frog
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Amphibia (Amphibians)
Order	Rodentia (Rodents)	Anura (Frogs & Toads)
Family	Cricetidae	Hylidae
Genus	Sigmodon	Hyloscirtus
Species	Sigmodon inopinatus	Hyloscirtus japreria

Evolutionary Relationship

Ecuadorian Cotton Rat and Perijá’s Stream Frog share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Ecuadorian Cotton Rat

VU — Vulnerable

Perijá’s Stream Frog

EN — Endangered

Physical Characteristics

Attribute	Ecuadorian Cotton Rat	Perijá’s Stream Frog
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.

Perijá’s Stream Frog

Habitat

Typically found in freshwater habitats, moist forests, and wetlands.