ハクトウワシ vs Bastard Scotch Thistle

Haliaeetus leucocephalus compared with Carduus nutans

Key Differences

• ハクトウワシ is Not Evaluated while Bastard Scotch Thistle is Near Threatened.

Taxonomic Classification

Rank	ハクトウワシ	Bastard Scotch Thistle
Kingdom	Animalia (動物)	Plantae (植物)
Phylum	Chordata (脊索動物)	Magnoliophyta (被子植物門)
Class	Aves (鳥類)	Magnoliopsida (モクレン綱)
Order	Accipitriformes (タカ目)	Asterales (キク目)
Family	Accipitridae (Hawks & Eagles)	Asteraceae (Daisy Family)
Genus	Haliaeetus (Sea Eagles)	Carduus
Species	Haliaeetus leucocephalus	Carduus nutans

Conservation Status

ハクトウワシ

NE — Not Evaluated

Population: ~316.7K

Trend: Increasing ↑

Bastard Scotch Thistle

NT — Near Threatened

Physical Characteristics

Attribute	ハクトウワシ	Bastard Scotch Thistle
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).

Bastard Scotch Thistle

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, tundra, and tropical and subtropical moist broadleaf forests, among 6 distinct biome types spanning the Australasia and Neotropic and Oceanian realms.

Range

Widely distributed across Africa (South Africa), Asia (India), Europe (8 countries), North America (Canada, Mexico, United States), Oceania and the Pacific (New Zealand), and South America (Argentina, Brazil, Chile). 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。

Bastard Scotch Thistle

The Bastard Scotch Thistle (Carduus nutans) is a species in the genus Carduus. It is currently classified as Near Threatened on the IUCN Red List. Found across multiple habitat types including temperate broadleaf and mixed forests, tundra, and tropical and subtropical moist broadleaf forests, among 6 distinct biome types spanning the Australasia and Neotropic and Oceanian realms.

Shared Countries

Both species can be found in 6 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇵🇱 Poland 🇸🇪 Sweden 🇺🇸 United States