pigargo-americano vs gralha-calva

Haliaeetus leucocephalus compared with Corvus frugilegus

Key Differences

• pigargo-americano is Not Evaluated while gralha-calva is Least Concern.

Taxonomic Classification

Rank	pigargo-americano	gralha-calva
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class same	Aves (ave)	Aves (ave)
Order	Accipitriformes (Hawks & Eagles)	Passeriformes (Songbirds)
Family	Accipitridae (Hawks & Eagles)	Corvidae (Crows & Ravens)
Genus	Haliaeetus (Sea Eagles)	Corvus (Crows & Ravens)
Species	Haliaeetus leucocephalus	Corvus frugilegus

Evolutionary Relationship

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

Conservation Status

pigargo-americano

NE — Not Evaluated

Population: ~316.7K

Trend: Increasing ↑

gralha-calva

LC — Least Concern

Physical Characteristics

Attribute	pigargo-americano	gralha-calva
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).

gralha-calva

Habitat

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

Range

Found across Europe (5 countries) and Oceania and the Pacific (New Zealand).

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.

gralha-calva

A gralha-calva (Corvus frugilegus) esta classificada como Pouco Preocupante (LC) na Lista Vermelha da UICN. Amplamente distribuida e abundante em sua area de ocorrencia, com populacoes estaveis e sem preocupacoes de conservacao imediatas.

Shared Countries

Both species can be found in 4 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden