Flat Periwinkle vs Yellow-billed Pintail

Littorina obtusata compared with Anas georgica

Key Differences

• Flat Periwinkle is Least Concern while Yellow-billed Pintail is Endangered.

Taxonomic Classification

Rank	Flat Periwinkle	Yellow-billed Pintail
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Gastropoda (Gastropoda)	Aves (Birds)
Order	Littorinimorpha (Littorinimorpha)	Anseriformes (Anseriformes)
Family	Littorinidae	Anatidae
Genus	Littorina	Anas
Species	Littorina obtusata	Anas georgica

Evolutionary Relationship

Flat Periwinkle and Yellow-billed Pintail share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Flat Periwinkle

LC — Least Concern

Yellow-billed Pintail

EN — Endangered

Physical Characteristics

Attribute	Flat Periwinkle	Yellow-billed Pintail
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Flat Periwinkle

Habitat

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

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

Yellow-billed Pintail

Habitat

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

Range

Found across Europe (6 countries) and South America (Colombia, Ecuador). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Yellow-billed Pintail

Yellow-billed Pintail (Anas georgica) is classified as Endangered (EN) on the IUCN Red List. At high risk of extinction in the wild, with significant population decline and ongoing threats to survival.

Shared Countries

Both species can be found in 2 countries:

🇧🇪 Belgium 🇳🇴 Norway