コシジロアジサシ vs ハクトウワシ

Onychoprion aleuticus compared with Haliaeetus leucocephalus

Key Differences

コシジロアジサシ is Vulnerable while ハクトウワシ is Not Evaluated.

Taxonomic Classification

Rank	コシジロアジサシ	ハクトウワシ
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	Charadriiformes (チドリ目)	Accipitriformes (タカ目)
Family	Laridae	Accipitridae (Hawks & Eagles)
Genus	Onychoprion	Haliaeetus (Sea Eagles)
Species	Onychoprion aleuticus	Haliaeetus leucocephalus

Evolutionary Relationship

コシジロアジサシ and ハクトウワシ share a common ancestor at the Class level: Aves. (鳥類)

表示 Class: Aves

Conservation Status

コシジロアジサシ

VU — Vulnerable

ハクトウワシ

NE — Not Evaluated

Population: ~316.7K

Trend: Increasing ↑

Physical Characteristics

Attribute	コシジロアジサシ	ハクトウワシ
Diet	—	Carnivore
Average Lifespan	—	28 years
Average Length	—	90 cm
Average Weight	—	5.0 kg

Habitat & Geographic Range

コシジロアジサシ

Habitat

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

Range

Distributed across Norway and Taiwan. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its 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).

コシジロアジサシ

The Aleutian Tern (Onychoprion aleuticus) is a species in the genus Onychoprion. It is currently classified as Vulnerable on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments.

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。