Common Periwinkle vs 赤嘴鴨

Littorina littorea compared with Anas erythrorhyncha

Taxonomic Classification

Rank	Common Periwinkle	赤嘴鴨
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum	Mollusca (软体动物门)	Chordata (脊索动物门)
Class	Gastropoda (腹足纲)	Aves (鳥綱)
Order	Littorinimorpha (滨螺形目)	Anseriformes (雁形目)
Family	Littorinidae	Anatidae
Genus	Littorina	Anas
Species	Littorina littorea	Anas erythrorhyncha

Evolutionary Relationship

Common Periwinkle and 赤嘴鴨 share a common ancestor at the Kingdom level: Animalia. (动物界)

Conservation Status

Common Periwinkle

LC — Least Concern

赤嘴鴨

LC — Least Concern

Physical Characteristics

Attribute	Common Periwinkle	赤嘴鴨
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).

赤嘴鴨

Habitat

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

Range

Found across Europe (6 countries) and South America (Ecuador).

Common Periwinkle

玉黍螺（Littorina littorea）在IUCN红色名录中被列为无危（LC）。在其分布范围内广泛分布，种群数量稳定，无直接保护威胁。

赤嘴鴨

红嘴鸭（Anas erythrorhyncha）在IUCN红色名录中被列为无危（LC）。在其分布范围内种群广泛且数量丰富，种群稳定，无直接保护忧虑。

Shared Countries

Both species can be found in 2 countries:

🇧🇪 Belgium 🇳🇴 Norway