Common Periwinkle vs Gray-breasted Mountain-Toucan

Littorina littorea compared with Andigena hypoglauca

Key Differences

Common Periwinkle is Least Concern while Gray-breasted Mountain-Toucan is Near Threatened.

Taxonomic Classification

Rank	Common Periwinkle	Gray-breasted Mountain-Toucan
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Gastropoda (Gastropoda)	Aves (Birds)
Order	Littorinimorpha (Littorinimorpha)	Piciformes (Piciformes)
Family	Littorinidae	Ramphastidae
Genus	Littorina	Andigena
Species	Littorina littorea	Andigena hypoglauca

Evolutionary Relationship

Common Periwinkle and Gray-breasted Mountain-Toucan share a common ancestor at the Kingdom level: Animalia. (Animals)

View Kingdom: Animalia

Conservation Status

Common Periwinkle

LC — Least Concern

Gray-breasted Mountain-Toucan

NT — Near Threatened

Physical Characteristics

Attribute	Common Periwinkle	Gray-breasted Mountain-Toucan
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).

Gray-breasted Mountain-Toucan

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Distributed across Colombia, Ecuador, and Norway. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.

Gray-breasted Mountain-Toucan

Gray-breasted Mountain-Toucan (Andigena hypoglauca) is classified as Near Threatened (NT) on the IUCN Red List. Close to qualifying as threatened, with populations that may become vulnerable without conservation action.