Golden Eagle vs Red-breasted Merganser

Aquila chrysaetos compared with Mergus serrator

Key Differences

• Golden Eagle is Near Threatened while Red-breasted Merganser is Least Concern.

Taxonomic Classification

Rank	Golden Eagle	Red-breasted Merganser
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Aves (Birds)	Aves (Birds)
Order	Accipitriformes (Hawks & Eagles)	Anseriformes (Anseriformes)
Family	Accipitridae (Hawks & Eagles)	Anatidae
Genus	Aquila (True Eagles)	Mergus
Species	Aquila chrysaetos	Mergus serrator

Evolutionary Relationship

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

Conservation Status

Golden Eagle

NT — Near Threatened

Population: ~300.0K

Trend: Stable →

Red-breasted Merganser

LC — Least Concern

Physical Characteristics

Attribute	Golden Eagle	Red-breasted Merganser
Diet	Carnivore	—
Average Lifespan	30 years	—
Average Length	85 cm	—
Average Weight	5.0 kg	—

Habitat & Geographic Range

Golden Eagle

Habitat

Typically found in diverse ecosystems where prey species are available.

Range

Widely distributed across Asia (Taiwan), Europe (6 countries), and North America (United States). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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).

Golden Eagle

Among the most powerful and widely distributed raptors in the world, golden eagles have wingspans reaching 2.2 meters and inhabit mountainous terrain across the Northern Hemisphere. Supreme aerial hunters, they use soaring flight and steep dives at speeds over 200 km/h to capture rabbits, hares, ground squirrels, and occasionally young deer and foxes. In many cultures they have been central to falconry traditions spanning millennia.

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.

Shared Countries

Both species can be found in 7 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden 🇹🇼 Taiwan 🇺🇦 Ukraine 🇺🇸 United States