pigargo-americano vs Feather-head knapweed

Haliaeetus leucocephalus compared with Centaurea trichocephala

Taxonomic Classification

Rank	pigargo-americano	Feather-head knapweed
Kingdom	Animalia (Animals)	Plantae (plantas)
Phylum	Chordata (cordados)	Magnoliophyta (Flowering Plants)
Class	Aves (ave)	Magnoliopsida (Dicots)
Order	Accipitriformes (Hawks & Eagles)	Asterales (Daisies & Sunflowers)
Family	Accipitridae (Hawks & Eagles)	Asteraceae (Daisy Family)
Genus	Haliaeetus (Sea Eagles)	Centaurea
Species	Haliaeetus leucocephalus	Centaurea trichocephala

Conservation Status

pigargo-americano

NE — Not Evaluated

Population: ~316.7K

Trend: Increasing ↑

Feather-head knapweed

NE — Not Evaluated

Physical Characteristics

Attribute	pigargo-americano	Feather-head knapweed
Diet	Carnivore	—
Average Lifespan	28 years	—
Average Length	90 cm	—
Average Weight	5.0 kg	—

Habitat & Geographic Range

pigargo-americano

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).

Feather-head knapweed

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Distributed across France, Sweden, and United States.

pigargo-americano

A ave nacional dos Estados Unidos e símbolo do sucesso conservacionista americano, a águia-careca tem uma envergadura de até 2,4 metros e habita florestas e zonas húmidas próximas de águas abertas em toda a América do Norte. Quase extinta na década de 1960 devido ao envenenamento por DDT e à caça, recuperou de forma notável após as proibições de pesticidas e a Lei das Espécies em Perigo.