Sea turtle

Sea turtles are marine reptiles adapted to life in the ocean, with flipper-like limbs and salt-excreting glands. They return to land to lay eggs.

Chelonioidea: Chelonioidea is the superfamily containing all living sea turtles. It groups sea turtles within the broader turtle family tree.
Green sea turtle: The green sea turtle is a large sea turtle whose adults mainly eat seagrasses and algae. Its herbivorous adult diet contrasts with the animal-based diets of many other sea turtles.
Marine reptile: A marine reptile is a reptile adapted to live in marine environments. Sea turtles are one lineage within this broader ecological group.
Sea turtle conservation: Sea turtle conservation comprises measures to protect turtles, their nesting beaches, and marine habitats. Protection efforts address threats across the turtles' lives on land and at sea.
Sea turtle shell: A sea turtle's shell is a protective bony structure covered by skin or scales, depending on the species. Its flattened shape and streamlined profile suit sustained swimming.
Leatherback sea turtle: The leatherback sea turtle is the largest living turtle, distinguished by a flexible, ridged shell and a diet rich in jellyfish. Its soft-backed body and ocean-spanning migrations set it apart from hard-shelled species.
Sea turtle navigation: Sea turtle navigation is the use of environmental cues to orient during long ocean journeys. Magnetic and other cues help turtles travel between feeding and nesting areas.
Sea turtle bycatch: Sea turtle bycatch is the unintended capture of turtles in fishing gear. Entanglement and drowning in fishing gear are major sources of human-caused mortality.
Salt gland: A salt gland is an organ that removes excess ions from an animal's body. Sea turtles use glands near their eyes to excrete salt taken in with seawater.
Hawksbill sea turtle: The hawksbill sea turtle is a tropical sea turtle with a narrow, hooked beak and overlapping shell plates. Its beak helps it feed on sponges around coral reefs.

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