Green Sea Turtle vs limestone fern

Chelonia mydas compared with Gymnocarpium robertianum

Key Differences

• Green Sea Turtle is Endangered while limestone fern is Critically Endangered.

Taxonomic Classification

Rank	Green Sea Turtle	limestone fern
Kingdom	Animalia (动物界)	Plantae (植物)
Phylum	Chordata (脊索动物门)	Tracheophyta
Class	Reptilia (爬行纲)	Polypodiopsida (水龍骨綱)
Order	Testudines (龟鳖目)	Polypodiales (水龙骨目)
Family	Cheloniidae (Sea Turtles)	Cystopteridaceae
Genus	Chelonia (Green Sea Turtles)	Gymnocarpium
Species	Chelonia mydas	Gymnocarpium robertianum

Conservation Status

Green Sea Turtle

EN — Endangered

Population: ~85.0K

Trend: Decreasing ↓

limestone fern

CR — Critically Endangered

Physical Characteristics

Attribute	Green Sea Turtle	limestone fern
Diet	Herbivore	—
Average Lifespan	80 years	—
Average Length	1.2 m	—
Average Weight	200.0 kg	—

Habitat & Geographic Range

Green 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 8 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Australia, Brazil, Costa Rica, Indonesia, and Mexico. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

limestone fern

Habitat

Typically found in moist, shaded forest floors and tropical canopies.

Range

Distributed across Belgium, Canada, Norway, and Sweden. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Green Sea Turtle

绿海龟是最大的海龟之一。其名称源于软骨和脂肪的绿色，而非龟壳的颜色。