Weißkopf-Seeadler vs Weißhalsibis

Haliaeetus leucocephalus compared with Theristicus caudatus

Key Differences

• Weißkopf-Seeadler is Not Evaluated while Weißhalsibis is Least Concern.

Taxonomic Classification

Rank	Weißkopf-Seeadler	Weißhalsibis
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum same	Chordata (Chordatiere)	Chordata (Chordatiere)
Class same	Aves (Vögel)	Aves (Vögel)
Order	Accipitriformes (Greifvögel)	Pelecaniformes (Pelecaniformes)
Family	Accipitridae (Hawks & Eagles)	Threskiornithidae
Genus	Haliaeetus (Sea Eagles)	Theristicus
Species	Haliaeetus leucocephalus	Theristicus caudatus

Evolutionary Relationship

Weißkopf-Seeadler and Weißhalsibis share a common ancestor at the Class level: Aves. (Vögel)

Conservation Status

Weißkopf-Seeadler

NE — Not Evaluated

Population: ~316.7K

Trend: Increasing ↑

Weißhalsibis

LC — Least Concern

Physical Characteristics

Attribute	Weißkopf-Seeadler	Weißhalsibis
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).

Weißhalsibis

Habitat

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

Range

Found across Europe (5 countries) and South America (Colombia, Venezuela).

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.

Weißhalsibis

Buff-necked Ibis (Theristicus caudatus) 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 5 countries:

🇧🇪 Belgium 🇫🇷 France 🇳🇱 Netherlands 🇳🇴 Norway 🇬🇧 United Kingdom