ハクトウワシ vs アジサシ

Haliaeetus leucocephalus compared with Sterna hirundo

Key Differences

  • ハクトウワシ is Not Evaluated while アジサシ is Endangered.

Taxonomic Classification

Rank ハクトウワシ アジサシ
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) Laridae
Genus Haliaeetus (Sea Eagles) Sterna
Species Haliaeetus leucocephalus Sterna hirundo

Evolutionary Relationship

ハクトウワシ and アジサシ 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 ↑

アジサシ

EN — Endangered

Physical Characteristics

Attribute ハクトウワシ アジサシ
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).

アジサシ

Habitat

Found across multiple habitat types including tropical and subtropical dry broadleaf forests, flooded grasslands and savannas, and montane grasslands and shrublands, among 9 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 (7 countries), North America (United States), and South America (Colombia, Ecuador, Venezuela). Currently classified as 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。

アジサシ

アジサシ(Sterna hirundo)はIUCNレッドリストで危機(EN)に分類されている。野生での絶滅リスクが高く、著しい個体数の減少と生存への継続的な脅威がある。

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