pigargo-americano vs Madeira Filmy Fern

Haliaeetus leucocephalus compared with Hymenophyllum maderense

Key Differences

pigargo-americano is Not Evaluated while Madeira Filmy Fern is Critically Endangered.

Taxonomic Classification

Rank	pigargo-americano	Madeira Filmy Fern
Kingdom	Animalia (Animals)	Plantae (plantas)
Phylum	Chordata (cordados)	Tracheophyta
Class	Aves (ave)	Polypodiopsida (Polypodiopsida)
Order	Accipitriformes (Hawks & Eagles)	Hymenophyllales (Hymenophyllales)
Family	Accipitridae (Hawks & Eagles)	Hymenophyllaceae
Genus	Haliaeetus (Sea Eagles)	Hymenophyllum
Species	Haliaeetus leucocephalus	Hymenophyllum maderense

Conservation Status

pigargo-americano

NE — Not Evaluated

Population: ~316.7K

Trend: Increasing ↑

Madeira Filmy Fern

CR — Critically Endangered

Physical Characteristics

Attribute	pigargo-americano	Madeira Filmy Fern
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).

Madeira Filmy Fern

Habitat

Typically found in moist, shaded forest floors and tropical canopies.

Range

Found in Portugal. Currently classified as Critically 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.