American Bald Eagle vs Willow Ptarmigan / Red Grouse

Haliaeetus leucocephalus compared with Lagopus lagopus

Key Differences

• American Bald Eagle is Not Evaluated while Willow Ptarmigan / Red Grouse is Near Threatened.

Taxonomic Classification

Rank	American Bald Eagle	Willow Ptarmigan / Red Grouse
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Aves (Birds)	Aves (Birds)
Order	Accipitriformes (Hawks & Eagles)	Galliformes (Galliformes)
Family	Accipitridae (Hawks & Eagles)	Phasianidae
Genus	Haliaeetus (Sea Eagles)	Lagopus
Species	Haliaeetus leucocephalus	Lagopus lagopus

Evolutionary Relationship

American Bald Eagle and Willow Ptarmigan / Red Grouse share a common ancestor at the Class level: Aves. (Birds)

Conservation Status

American Bald Eagle

NE — Not Evaluated

Population: ~316.7K

Trend: Increasing ↑

Willow Ptarmigan / Red Grouse

NT — Near Threatened

Physical Characteristics

Attribute	American Bald Eagle	Willow Ptarmigan / Red Grouse
Diet	Carnivore	—
Average Lifespan	28 years	—
Average Length	90 cm	—
Average Weight	5.0 kg	—

Habitat & Geographic Range

American Bald Eagle

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and flooded grasslands and savannas, among 10 distinct biome types spanning the Neotropic and Palearctic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Europe (8 countries), North America (United States), and South America (Ecuador).

Willow Ptarmigan / Red Grouse

Habitat

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

Range

Distributed across Belgium, France, Norway, Sweden, and United States. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

American Bald Eagle

The national bird of the United States and a symbol of American conservation success, bald eagles have a wingspan of up to 2.4 meters and inhabit forests and wetlands near open water across North America. Powerful aerial predators and scavengers, they specialize in fish but also take waterfowl and carrion. Nearly extinct by the 1960s due to DDT poisoning and hunting, the bald eagle recovered dramatically following pesticide bans and the Endangered Species Act.

Shared Countries

Both species can be found in 5 countries:

🇧🇪 Belgium 🇫🇷 France 🇳🇴 Norway 🇸🇪 Sweden 🇺🇸 United States