Pygargue à tête blanche vs Thread Weed

Haliaeetus leucocephalus compared with Ulva compressa

Key Differences

Pygargue à tête blanche is Not Evaluated while Thread Weed is Least Concern.

Taxonomic Classification

Rank	Pygargue à tête blanche	Thread Weed
Kingdom	Animalia (animal)	Plantae (plante)
Phylum	Chordata (Chordates)	Chlorophyta (Chlorophyta)
Class	Aves (oiseau)	Ulvophyceae (Ulvophyceae)
Order	Accipitriformes (Hawks & Eagles)	Ulvales (Ulvales)
Family	Accipitridae (Hawks & Eagles)	Ulvaceae
Genus	Haliaeetus (Sea Eagles)	Ulva
Species	Haliaeetus leucocephalus	Ulva compressa

Conservation Status

Pygargue à tête blanche

NE — Not Evaluated

Population: ~316.7K

Trend: Increasing ↑

Thread Weed

LC — Least Concern

Physical Characteristics

Attribute	Pygargue à tête blanche	Thread Weed
Diet	Carnivore	—
Average Lifespan	28 years	—
Average Length	90 cm	—
Average Weight	5.0 kg	—

Habitat & Geographic Range

Pygargue à tête blanche

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).

Thread Weed

Habitat

Native to Asia and Europe and Oceania, inhabiting ecosystems characteristic of the region.

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), Oceania and the Pacific (New Zealand), and South America (Brazil).

Pygargue à tête blanche

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.