Adder'S Fern vs Leatherback Sea Turtle

Polypodium vulgare compared with Dermochelys coriacea

Key Differences

Adder'S Fern is Least Concern while Leatherback Sea Turtle is Vulnerable.

Taxonomic Classification

Rank	Adder'S Fern	Leatherback Sea Turtle
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Tracheophyta	Chordata (Chordates)
Class	Polypodiopsida (Polypodiopsida)	Reptilia (Reptiles)
Order	Polypodiales (Polypodiales)	Testudines (Turtles & Tortoises)
Family	Polypodiaceae	Cheloniidae (Sea Turtles)
Genus	Polypodium	Chelonia (Green Sea Turtles)
Species	Polypodium vulgare	Dermochelys coriacea

Conservation Status

Adder'S Fern

LC — Least Concern

Leatherback Sea Turtle

VU — Vulnerable

Population: ~35.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Adder'S Fern	Leatherback Sea Turtle
Diet	—	Carnivore
Average Lifespan	—	50 years
Average Length	—	2.0 m
Average Weight	—	500.0 kg

Habitat & Geographic Range

Adder'S Fern

Habitat

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

Range

Found across Europe (7 countries) and North America (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.

Adder'S Fern

The Adder'S Fern (Polypodium vulgare) is a species in the genus Polypodium. It is currently classified as Least Concern on the IUCN Red List. This species inhabits Typically found in moist, shaded forest floors and tropical canopies, found across Belgium, Denmark, Finland, Iceland, and Norway.