Green Sea Turtle vs Wilson's Filmy Fern

Chelonia mydas compared with Hymenophyllum wilsonii

Key Differences

• Green Sea Turtle is Endangered while Wilson's Filmy Fern is Not Evaluated.

Taxonomic Classification

Rank	Green Sea Turtle	Wilson's Filmy 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)	Hymenophyllales (膜蕨目)
Family	Cheloniidae (Sea Turtles)	Hymenophyllaceae
Genus	Chelonia (Green Sea Turtles)	Hymenophyllum
Species	Chelonia mydas	Hymenophyllum wilsonii

Conservation Status

Green Sea Turtle

EN — Endangered

Population: ~85.0K

Trend: Decreasing ↓

Wilson's Filmy Fern

NE — Not Evaluated

Physical Characteristics

Attribute	Green Sea Turtle	Wilson's Filmy 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.

Wilson's Filmy Fern

Habitat

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

Range

Distributed across Iceland, Norway, Portugal, and Sweden.

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。