Rock Partridge vs St. James' shell

Alectoris graeca compared with Pecten maximus

Key Differences

• Rock Partridge is Near Threatened while St. James' shell is Least Concern.

Taxonomic Classification

Rank	Rock Partridge	St. James' shell
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Mollusca (Mollusks)
Class	Aves (Birds)	Bivalvia (Bivalvia)
Order	Galliformes (Galliformes)	Pectinida (Pectinida)
Family	Phasianidae	Pectinidae
Genus	Alectoris	Pecten
Species	Alectoris graeca	Pecten maximus

Evolutionary Relationship

Rock Partridge and St. James' shell share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Rock Partridge

NT — Near Threatened

St. James' shell

LC — Least Concern

Physical Characteristics

Attribute	Rock Partridge	St. James' shell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Rock Partridge

Habitat

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

Range

Found across Europe (8 countries). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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).

Rock Partridge

Rock Partridge (Alectoris graeca) 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.

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.

Shared Countries

Both species can be found in 5 countries:

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