pigargo-americano vs gaivota-tridáctila

Haliaeetus leucocephalus compared with Rissa tridactyla

Key Differences

• pigargo-americano is Not Evaluated while gaivota-tridáctila is Endangered.

Taxonomic Classification

Rank	pigargo-americano	gaivota-tridáctila
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class same	Aves (ave)	Aves (ave)
Order	Accipitriformes (Hawks & Eagles)	Charadriiformes (Charadriiformes)
Family	Accipitridae (Hawks & Eagles)	Laridae
Genus	Haliaeetus (Sea Eagles)	Rissa
Species	Haliaeetus leucocephalus	Rissa tridactyla

Evolutionary Relationship

pigargo-americano and gaivota-tridáctila share a common ancestor at the Class level: Aves. (ave)

Conservation Status

pigargo-americano

NE — Not Evaluated

Population: ~316.7K

Trend: Increasing ↑

gaivota-tridáctila

EN — Endangered

Physical Characteristics

Attribute	pigargo-americano	gaivota-tridáctila
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).

gaivota-tridáctila

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), North America (United States), and South America (Venezuela). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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.

gaivota-tridáctila

Black-legged Kittiwake (Rissa tridactyla) está classificado como Em Perigo (EN) na Lista Vermelha da IUCN. Apresenta alto risco de extinção na natureza, com declínio populacional significativo e ameaças contínuas à sua sobrevivência.

Shared Countries

Both species can be found in 5 countries:

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