ハクトウワシ vs Threeleaf Halberd Fern

Haliaeetus leucocephalus compared with Tectaria trifoliata

Key Differences

ハクトウワシ is Not Evaluated while Threeleaf Halberd Fern is Near Threatened.

Taxonomic Classification

Rank	ハクトウワシ	Threeleaf Halberd Fern
Kingdom	Animalia (動物)	Plantae (植物)
Phylum	Chordata (脊索動物)	Tracheophyta
Class	Aves (鳥類)	Polypodiopsida (ウラボシ綱)
Order	Accipitriformes (タカ目)	Polypodiales (ウラボシ目)
Family	Accipitridae (Hawks & Eagles)	Tectariaceae
Genus	Haliaeetus (Sea Eagles)	Tectaria
Species	Haliaeetus leucocephalus	Tectaria trifoliata

Conservation Status

ハクトウワシ

NE — Not Evaluated

Population: ~316.7K

Trend: Increasing ↑

Threeleaf Halberd Fern

NT — Near Threatened

Physical Characteristics

Attribute	ハクトウワシ	Threeleaf Halberd Fern
Diet	Carnivore	—
Average Lifespan	28 years	—
Average Length	90 cm	—
Average Weight	5.0 kg	—

Habitat & Geographic Range

ハクトウワシ

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).

Threeleaf Halberd Fern

Habitat

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

Range

Distributed across Brazil, Colombia, and Cuba. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

ハクトウワシ

アメリカの国鳥であり保全の成功を象徴するハクトウワシは翼開長が最大2.4 mに達し、北米全域の水辺近くの森林や湿地に生息する。強力な空中捕食者兼腐肉食者で魚を主食とするが、水鳥や腐肉も捕食する。DDT汚染と狩猟によって1960年代にほぼ絶滅に瀕したが、農薬の使用禁止と絶滅危惧種法の施行により劇的に回復した。