ハクトウワシ vs Small Adder's-Tongue

Haliaeetus leucocephalus compared with Ophioglossum azoricum

Key Differences

ハクトウワシ is Not Evaluated while Small Adder's-Tongue is Critically Endangered.

Taxonomic Classification

Rank	ハクトウワシ	Small Adder's-Tongue
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)	Ophioglossales (ハナヤスリ目)
Family	Accipitridae (Hawks & Eagles)	Ophioglossaceae
Genus	Haliaeetus (Sea Eagles)	Ophioglossum
Species	Haliaeetus leucocephalus	Ophioglossum azoricum

Conservation Status

ハクトウワシ

NE — Not Evaluated

Population: ~316.7K

Trend: Increasing ↑

Small Adder's-Tongue

CR — Critically Endangered

Physical Characteristics

Attribute	ハクトウワシ	Small Adder's-Tongue
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).

Small Adder's-Tongue

Habitat

Inhabits boreal forests and taiga within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Belgium, Iceland, Norway, Portugal, and Sweden. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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。