Red-breasted Merganser vs Rock Partridge

Mergus serrator compared with Alectoris graeca

Key Differences

• Red-breasted Merganser is Least Concern while Rock Partridge is Near Threatened.

Taxonomic Classification

Rank	Red-breasted Merganser	Rock Partridge
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Aves (Birds)	Aves (Birds)
Order	Anseriformes (Anseriformes)	Galliformes (Galliformes)
Family	Anatidae	Phasianidae
Genus	Mergus	Alectoris
Species	Mergus serrator	Alectoris graeca

Evolutionary Relationship

Red-breasted Merganser and Rock Partridge share a common ancestor at the Class level: Aves. (Birds)

Conservation Status

Red-breasted Merganser

LC — Least Concern

Rock Partridge

NT — Near Threatened

Physical Characteristics

Attribute	Red-breasted Merganser	Rock Partridge
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Red-breasted Merganser

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (5 countries), North America (United States), and South America (Colombia).

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.

Red-breasted Merganser

Red-breasted Merganser (Mergus serrator) 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.

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.

Shared Countries

Both species can be found in 3 countries:

🇧🇪 Belgium 🇳🇴 Norway 🇺🇦 Ukraine