St. James' shell vs Yellow-billed Pintail

Pecten maximus compared with Anas georgica

Key Differences

• St. James' shell is Least Concern while Yellow-billed Pintail is Endangered.

Taxonomic Classification

Rank	St. James' shell	Yellow-billed Pintail
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Bivalvia (Bivalvia)	Aves (Birds)
Order	Pectinida (Pectinida)	Anseriformes (Anseriformes)
Family	Pectinidae	Anatidae
Genus	Pecten	Anas
Species	Pecten maximus	Anas georgica

Evolutionary Relationship

St. James' shell and Yellow-billed Pintail share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

St. James' shell

LC — Least Concern

Yellow-billed Pintail

EN — Endangered

Physical Characteristics

Attribute	St. James' shell	Yellow-billed Pintail
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

St. James' shell

Habitat

Native to Asia and Europe and South America, inhabiting ecosystems characteristic of the region.

Range

Widely distributed across Asia (China), Europe (8 countries), and South America (Chile).

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.

St. James' shell

St. James' shell (Pecten maximus) 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.

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 5 countries:

🇧🇪 Belgium 🇫🇷 France 🇳🇱 Netherlands 🇳🇴 Norway 🇬🇧 United Kingdom