pigargo-americano vs calau-gigante

Haliaeetus leucocephalus compared with Bucorvus leadbeateri

Key Differences

• pigargo-americano is Not Evaluated while calau-gigante is Vulnerable.

Taxonomic Classification

Rank	pigargo-americano	calau-gigante
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class same	Aves (ave)	Aves (ave)
Order	Accipitriformes (Hawks & Eagles)	Bucerotiformes (Bucerotiformes)
Family	Accipitridae (Hawks & Eagles)	Bucorvidae
Genus	Haliaeetus (Sea Eagles)	Bucorvus
Species	Haliaeetus leucocephalus	Bucorvus leadbeateri

Evolutionary Relationship

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

Conservation Status

pigargo-americano

NE — Not Evaluated

Population: ~316.7K

Trend: Increasing ↑

calau-gigante

VU — Vulnerable

Physical Characteristics

Attribute	pigargo-americano	calau-gigante
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).

calau-gigante

Habitat

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

Range

Found across Asia (United Arab Emirates) and Europe (5 countries). Currently classified as Vulnerable 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.

calau-gigante

O calau-terrestre-meridional (Bucorvus leadbeateri) esta classificado como Vulneravel (VU) na Lista Vermelha da UICN. Enfrenta alto risco de extincao na natureza, com populacoes em declinio e crescente pressao sobre seu habitat.

Shared Countries

Both species can be found in 5 countries:

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