Common Periwinkle vs Oustalet's Red Colobus

Littorina littorea compared with Piliocolobus oustaleti

Key Differences

• Common Periwinkle is Least Concern while Oustalet's Red Colobus is Vulnerable.

Taxonomic Classification

Rank	Common Periwinkle	Oustalet's Red Colobus
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Gastropoda (Gastropoda)	Mammalia (Mammals)
Order	Littorinimorpha (Littorinimorpha)	Primates (Primates)
Family	Littorinidae	Cercopithecidae (Old World Monkeys)
Genus	Littorina	Piliocolobus
Species	Littorina littorea	Piliocolobus oustaleti

Evolutionary Relationship

Common Periwinkle and Oustalet's Red Colobus share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Common Periwinkle

LC — Least Concern

Oustalet's Red Colobus

VU — Vulnerable

Physical Characteristics

Attribute	Common Periwinkle	Oustalet's Red Colobus
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).

Oustalet's Red Colobus

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.