ハクトウワシ vs Coastal Bastard Toad-flax

Haliaeetus leucocephalus compared with Thesium maritimum

Key Differences

ハクトウワシ is Not Evaluated while Coastal Bastard Toad-flax is Vulnerable.

Taxonomic Classification

Rank	ハクトウワシ	Coastal Bastard Toad-flax
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)	Santalales (ビャクダン目)
Family	Accipitridae (Hawks & Eagles)	Thesiaceae
Genus	Haliaeetus (Sea Eagles)	Thesium
Species	Haliaeetus leucocephalus	Thesium maritimum

Conservation Status

ハクトウワシ

NE — Not Evaluated

Population: ~316.7K

Trend: Increasing ↑

Coastal Bastard Toad-flax

VU — Vulnerable

Physical Characteristics

Attribute	ハクトウワシ	Coastal Bastard Toad-flax
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).

Coastal Bastard Toad-flax

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

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。

Coastal Bastard Toad-flax

Thesium maritimum, the coastal bastard toad-flax, is a semi-parasitic herbaceous plant in the family Santalaceae native to coastal sand dunes, calcareous grassland, and scrubland along the northern Mediterranean coast of Europe, extending through the Iberian Peninsula and into parts of southwestern France. Like other members of the genus Thesium, it is a hemiparasite, maintaining chlorophyll and photosynthesizing while simultaneously tapping the root systems of neighboring grasses and herbs to extract water and nutrients through haustorial connections. The species produces small, narrow leaves and inconspicuous white to cream flowers typical of the family, lacking showy petals and relying on insect visitors for pollination. Thesium maritimum is classified as Vulnerable by the IUCN, reflecting significant population declines associated with loss and degradation of its specialized coastal habitat through tourist infrastructure development, coastal stabilization, invasive species encroachment, and sand dune fixation. Mediterranean coastal sand dune systems across Europe have been extensively modified, and the open, dynamic habitats required by this specialist species have contracted substantially over recent decades. Conservation measures include dune restoration, reduction of vehicle traffic on coastal habitats, and control of invasive species that fix and stabilize natural shifting sands.