ハクトウワシ vs Nile Crocodile

Haliaeetus leucocephalus compared with Crocodylus niloticus

Key Differences

ハクトウワシ is Not Evaluated while Nile Crocodile is Least Concern.
Nile Crocodile is 150.0x heavier than ハクトウワシ.
Nile Crocodile lives longer (70 years vs 28 years).

Taxonomic Classification

Rank	ハクトウワシ	Nile Crocodile
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class	Aves (鳥類)	Reptilia (爬虫類)
Order	Accipitriformes (タカ目)	Crocodylia (Crocodilians)
Family	Accipitridae (Hawks & Eagles)	Crocodylidae (Crocodiles)
Genus	Haliaeetus (Sea Eagles)	Crocodylus (True Crocodiles)
Species	Haliaeetus leucocephalus	Crocodylus niloticus

Evolutionary Relationship

ハクトウワシ and Nile Crocodile share a common ancestor at the Phylum level: Chordata. (脊索動物)

表示 Phylum: Chordata

Conservation Status

ハクトウワシ

NE — Not Evaluated

Population: ~316.7K

Trend: Increasing ↑

Nile Crocodile

LC — Least Concern

Population: ~500.0K

Trend: Stable →

Physical Characteristics

Attribute	ハクトウワシ	Nile Crocodile
Diet	Carnivore	Carnivore
Average Lifespan	28 years	70 years
Average Length	90 cm	5.0 m
Average Weight	5.0 kg	750.0 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).

Nile Crocodile

Habitat

Typically found in diverse ecosystems where prey species are available.

Range

Distributed across Egypt, Kenya, Madagascar, South Africa, and Tanzania.

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。