Leatherback Sea Turtle vs ハイイロイワシャコ

Dermochelys coriacea compared with Alectoris graeca

Key Differences

• Leatherback Sea Turtle is Vulnerable while ハイイロイワシャコ is Near Threatened.

Taxonomic Classification

Rank	Leatherback Sea Turtle	ハイイロイワシャコ
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class	Reptilia (爬虫類)	Aves (鳥類)
Order	Testudines (カメ)	Galliformes (キジ目)
Family	Cheloniidae (Sea Turtles)	Phasianidae
Genus	Chelonia (Green Sea Turtles)	Alectoris
Species	Dermochelys coriacea	Alectoris graeca

Evolutionary Relationship

Leatherback Sea Turtle and ハイイロイワシャコ share a common ancestor at the Phylum level: Chordata. (脊索動物)

Conservation Status

Leatherback Sea Turtle

VU — Vulnerable

Population: ~35.0K

Trend: Decreasing ↓

ハイイロイワシャコ

NT — Near Threatened

Physical Characteristics

Attribute	Leatherback Sea Turtle	ハイイロイワシャコ
Diet	Carnivore	—
Average Lifespan	50 years	—
Average Length	2.0 m	—
Average Weight	500.0 kg	—

Habitat & Geographic Range

Leatherback Sea Turtle

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 5 distinct biome types spanning the Australasia and Indomalayan and Neotropic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Costa Rica, Indonesia, Malaysia, and Trinidad and Tobago. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

ハイイロイワシャコ

Habitat

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

Range

Found across Europe (8 countries). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Leatherback Sea Turtle

オサガメは現存する最大のカメであり、爬虫類の中で4番目に重い種です。他のカメとは異なり、硬い甲羅ではなく柔らかく革のような皮膚に覆われています。

ハイイロイワシャコ

Rock Partridge（Alectoris graeca）は IUCN レッドリストで準絶滅危惧（NT）に分類されている。絶滅危惧の基準に近く、保全措置なしには脆弱な状態になる可能性のある個体群を持つ。