Common Periwinkle vs Peters' Duiker

Littorina littorea compared with Cephalophus callipygus

Taxonomic Classification

Rank	Common Periwinkle	Peters' Duiker
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Gastropoda (Gastropoda)	Mammalia (Mammals)
Order	Littorinimorpha (Littorinimorpha)	Artiodactyla (Even-toed Ungulates)
Family	Littorinidae	Bovidae (Bovids)
Genus	Littorina	Cephalophus
Species	Littorina littorea	Cephalophus callipygus

Evolutionary Relationship

Common Periwinkle and Peters' Duiker share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Common Periwinkle

LC — Least Concern

Peters' Duiker

LC — Least Concern

Physical Characteristics

Attribute	Common Periwinkle	Peters' Duiker
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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).

Peters' Duiker

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.