Cascade Frog vs Common Periwinkle

Amolops monticola compared with Littorina littorea

Taxonomic Classification

Rank	Cascade Frog	Common Periwinkle
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Mollusca (Mollusks)
Class	Amphibia (Amphibians)	Gastropoda (Gastropoda)
Order	Anura (Frogs & Toads)	Littorinimorpha (Littorinimorpha)
Family	Ranidae	Littorinidae
Genus	Amolops	Littorina
Species	Amolops monticola	Littorina littorea

Evolutionary Relationship

Cascade Frog and Common Periwinkle share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Cascade Frog

LC — Least Concern

Common Periwinkle

LC — Least Concern

Physical Characteristics

Attribute	Cascade Frog	Common Periwinkle
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Cascade Frog

Habitat

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

Common Periwinkle

Habitat

Typically found in terrestrial and aquatic habitats including forests and freshwater.

Range

Found across Europe (4 countries) and North America (Canada, United States).

Cascade Frog

The Cascade Frog (Amolops monticola) is a species in the genus Amolops. It is currently classified as Least Concern on the IUCN Red List. Typically found in freshwater habitats, moist forests, and wetlands.

Common Periwinkle

Common Periwinkle (Littorina littorea) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.