ハクトウワシ vs クロトウゾクカモメ

Haliaeetus leucocephalus compared with Stercorarius parasiticus

Key Differences

  • ハクトウワシ is Not Evaluated while クロトウゾクカモメ is Near Threatened.

Taxonomic Classification

Rank ハクトウワシ クロトウゾクカモメ
Kingdom same Animalia (動物) Animalia (動物)
Phylum same Chordata (脊索動物) Chordata (脊索動物)
Class same Aves (鳥類) Aves (鳥類)
Order Accipitriformes (タカ目) Charadriiformes (チドリ目)
Family Accipitridae (Hawks & Eagles) Stercorariidae
Genus Haliaeetus (Sea Eagles) Stercorarius
Species Haliaeetus leucocephalus Stercorarius parasiticus

Evolutionary Relationship

ハクトウワシ and クロトウゾクカモメ share a common ancestor at the Class level: Aves. (鳥類)

Conservation Status

ハクトウワシ

NE — Not Evaluated

Population: ~316.7K

Trend: Increasing ↑

クロトウゾクカモメ

NT — Near Threatened

Physical Characteristics

Attribute ハクトウワシ クロトウゾクカモメ
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).

クロトウゾクカモメ

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), North America (United States), and South America (Colombia, Ecuador, Venezuela). 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。

クロトウゾクカモメ

クロトウゾクカモメ(Stercorarius parasiticus)はIUCNレッドリストで準絶滅危惧(NT)に分類されています。絶滅危惧の基準に近く、保全措置なしには脆弱になりうる個体群を持ちます。

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