Leatherback Sea Turtle vs small tortoiseshell

Dermochelys coriacea compared with Aglais urticae

Key Differences

• Leatherback Sea Turtle is Vulnerable while small tortoiseshell is Near Threatened.

Taxonomic Classification

Rank	Leatherback Sea Turtle	small tortoiseshell
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum	Chordata (脊索動物)	Arthropoda (節足動物)
Class	Reptilia (爬虫類)	Insecta (昆虫)
Order	Testudines (カメ)	Lepidoptera (チョウ目)
Family	Cheloniidae (Sea Turtles)	Nymphalidae (Brush-footed Butterflies)
Genus	Chelonia (Green Sea Turtles)	Aglais
Species	Dermochelys coriacea	Aglais urticae

Evolutionary Relationship

Leatherback Sea Turtle and small tortoiseshell share a common ancestor at the Kingdom level: Animalia. (動物)

Conservation Status

Leatherback Sea Turtle

VU — Vulnerable

Population: ~35.0K

Trend: Decreasing ↓

small tortoiseshell

NT — Near Threatened

Physical Characteristics

Attribute	Leatherback Sea Turtle	small tortoiseshell
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.

small tortoiseshell

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (41 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。

small tortoiseshell

スモールトータスシェル(Aglais urticae)はIUCNレッドリストで準絶滅危惧(NT)に分類されている。絶滅危惧種に分類される一歩手前の段階で、保全措置がなければ脆弱になる可能性のある個体群を持つ。