Clouded Yellow vs Leatherback Sea Turtle

Colias croceus compared with Dermochelys coriacea

Key Differences

• Clouded Yellow is Least Concern while Leatherback Sea Turtle is Vulnerable.

Taxonomic Classification

Rank	Clouded Yellow	Leatherback Sea Turtle
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Reptilia (Reptiles)
Order	Lepidoptera (Butterflies & Moths)	Testudines (Turtles & Tortoises)
Family	Pieridae	Cheloniidae (Sea Turtles)
Genus	Colias	Chelonia (Green Sea Turtles)
Species	Colias croceus	Dermochelys coriacea

Evolutionary Relationship

Clouded Yellow and Leatherback Sea Turtle share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Clouded Yellow

LC — Least Concern

Leatherback Sea Turtle

VU — Vulnerable

Population: ~35.0K

Trend: Decreasing ↓

Physical Characteristics

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

Habitat & Geographic Range

Clouded Yellow

Habitat

Inhabits Mediterranean forests and woodlands within the Palearctic biogeographic realm.

Range

Found across Asia (Cyprus) and Europe (40 countries).

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.

Clouded Yellow

Clouded Yellow (Colias croceus) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.

Leatherback Sea Turtle

The leatherback is the largest living turtle and the fourth-heaviest reptile. Unlike other turtles, it has a soft, leathery shell.