Common Ringlet vs Leatherback Sea Turtle

Coenonympha tullia compared with Dermochelys coriacea

Key Differences

• Common Ringlet is Extinct while Leatherback Sea Turtle is Vulnerable.

Taxonomic Classification

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

Evolutionary Relationship

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

Conservation Status

Common Ringlet

EX — Extinct

Leatherback Sea Turtle

VU — Vulnerable

Population: ~35.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Common Ringlet	Leatherback Sea Turtle
Diet	—	Carnivore
Average Lifespan	—	50 years
Average Length	—	2.0 m
Average Weight	—	500.0 kg

Habitat & Geographic Range

Common Ringlet

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (27 countries) and North America (Canada, United States).

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.

Common Ringlet

ハヒカゲチョウ類（Coenonympha tullia）はIUCNレッドリストで絶滅（EX）に分類されている。野生および飼育環境に現存個体がいないことが確認され、絶滅が宣言された種である。

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。