ハクトウワシ vs Gharial

Haliaeetus leucocephalus compared with Gavialis gangeticus

Key Differences

  • ハクトウワシ is Not Evaluated while Gharial is Critically Endangered.
  • Gharial is 40.0x heavier than ハクトウワシ.
  • Gharial lives longer (60 years vs 28 years).

Taxonomic Classification

Rank ハクトウワシ Gharial
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 Gavialis gangeticus

Evolutionary Relationship

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

Conservation Status

ハクトウワシ

NE — Not Evaluated

Population: ~316.7K

Trend: Increasing ↑

Gharial

CR — Critically Endangered

Population: ~650

Trend: Increasing ↑

Physical Characteristics

Attribute ハクトウワシ Gharial
Diet Carnivore Carnivore
Average Lifespan 28 years 60 years
Average Length 90 cm 5.0 m
Average Weight 5.0 kg 200.0 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).

Gharial

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical coniferous forests, and temperate broadleaf and mixed forests, among 6 distinct biome types spanning the Indomalayan and Palearctic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across India and Nepal. Currently classified as Critically 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。

Gharial

ガビアル(Gavialis gangeticus)は非常に長く細い吻を持つ魚食性のワニ目動物である。成体が700頭未満の深刻な絶滅危惧種である。

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