Weißkopf-Seeadler vs Kleine Nackenhorn

Haliaeetus leucocephalus compared with Onthophagus nuchicornis

Key Differences

• Weißkopf-Seeadler is Not Evaluated while Kleine Nackenhorn is Endangered.

Taxonomic Classification

Rank	Weißkopf-Seeadler	Kleine Nackenhorn
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum	Chordata (Chordatiere)	Arthropoda (Gliederfüßer)
Class	Aves (Vögel)	Insecta (Insekten)
Order	Accipitriformes (Greifvögel)	Coleoptera (Käfer)
Family	Accipitridae (Hawks & Eagles)	Scarabaeidae
Genus	Haliaeetus (Sea Eagles)	Onthophagus
Species	Haliaeetus leucocephalus	Onthophagus nuchicornis

Evolutionary Relationship

Weißkopf-Seeadler and Kleine Nackenhorn share a common ancestor at the Kingdom level: Animalia. (Tier)

Conservation Status

Weißkopf-Seeadler

NE — Not Evaluated

Population: ~316.7K

Trend: Increasing ↑

Kleine Nackenhorn

EN — Endangered

Physical Characteristics

Attribute	Weißkopf-Seeadler	Kleine Nackenhorn
Diet	Carnivore	—
Average Lifespan	28 years	—
Average Length	90 cm	—
Average Weight	5.0 kg	—

Habitat & Geographic Range

Weißkopf-Seeadler

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).

Kleine Nackenhorn

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (5 countries) and North America (Canada, United States). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Weißkopf-Seeadler

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 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden 🇺🇸 United States