Acorn Woodpecker vs American Bald Eagle

Melanerpes formicivorus compared with Haliaeetus leucocephalus

Key Differences

• Acorn Woodpecker is Least Concern while American Bald Eagle is Not Evaluated.

Taxonomic Classification

Rank	Acorn Woodpecker	American Bald Eagle
Kingdom same	Animalia (حيوانات)	Animalia (حيوانات)
Phylum same	Chordata (حبليات)	Chordata (حبليات)
Class same	Aves (طيور)	Aves (طيور)
Order	Piciformes (نقاريات الشكل)	Accipitriformes (بازيات)
Family	Picidae	Accipitridae (Hawks & Eagles)
Genus	Melanerpes	Haliaeetus (Sea Eagles)
Species	Melanerpes formicivorus	Haliaeetus leucocephalus

Evolutionary Relationship

Acorn Woodpecker and American Bald Eagle share a common ancestor at the Class level: Aves. (طيور)

Conservation Status

Acorn Woodpecker

LC — Least Concern

American Bald Eagle

NE — Not Evaluated

Population: ~316.7K

Trend: Increasing ↑

Physical Characteristics

Attribute	Acorn Woodpecker	American Bald Eagle
Diet	—	Carnivore
Average Lifespan	—	28 years
Average Length	—	90 cm
Average Weight	—	5.0 kg

Habitat & Geographic Range

Acorn Woodpecker

Habitat

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

Range

Distributed across Colombia and Norway.

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).

Acorn Woodpecker

Acorn Woodpecker (Melanerpes formicivorus) 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.

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 1 countries:

🇳🇴 Norway