pigargo-americano vs Blacktail spurdog

Haliaeetus leucocephalus compared with Squalus melanurus

Key Differences

pigargo-americano is Not Evaluated while Blacktail spurdog is Data Deficient.

Taxonomic Classification

Rank	pigargo-americano	Blacktail spurdog
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class	Aves (ave)	Elasmobranchii
Order	Accipitriformes (Hawks & Eagles)	Squaliformes (Squaliformes)
Family	Accipitridae (Hawks & Eagles)	Squalidae
Genus	Haliaeetus (Sea Eagles)	Squalus
Species	Haliaeetus leucocephalus	Squalus melanurus

Evolutionary Relationship

pigargo-americano and Blacktail spurdog share a common ancestor at the Phylum level: Chordata. (cordados)

View Phylum: Chordata

Conservation Status

pigargo-americano

NE — Not Evaluated

Population: ~316.7K

Trend: Increasing ↑

Blacktail spurdog

DD — Data Deficient

Physical Characteristics

Attribute	pigargo-americano	Blacktail spurdog
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).

Blacktail spurdog

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.