ハクトウワシ vs Garganey

Haliaeetus leucocephalus compared with Spatula querquedula

Key Differences

  • ハクトウワシ is Not Evaluated while Garganey is Endangered.

Taxonomic Classification

Rank ハクトウワシ Garganey
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) Anseriformes (カモ目)
Family Accipitridae (Hawks & Eagles) Anatidae
Genus Haliaeetus (Sea Eagles) Spatula
Species Haliaeetus leucocephalus Spatula querquedula

Evolutionary Relationship

ハクトウワシ and Garganey 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 ↑

Garganey

EN — Endangered

Physical Characteristics

Attribute ハクトウワシ Garganey
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).

Garganey

Habitat

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

Range

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

Garganey

シマアジ(Spatula querquedula)はIUCNレッドリストで絶滅危惧IB類(EN)に分類される。野生での絶滅リスクが高く、個体数が大幅に減少し、生存への継続的な脅威がある。

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