Green sea turtles have habitats on land for nesting and habitats in shallow and open water areas of the ocean. Female green turtles use beaches to nest. Because sea turtles are an endangered species, part of some beaches... More »

Research proposes that 47 or more sea turtle species communicate using a form of sound. The purpose of making the sound is to state their social standing, find the location of other turtles or create reproductive signals... More »

A sea turtle's lifespan ranges from 80 to 100 years. It is difficult to determine the exact age of a sea turtle from physical appearance. Biologists derive age estimates from the maturity and reproductive status of the t... More »

Green sea turtles are the only sea turtles that are herbivorous in adulthood. Young green sea turtles are mainly carnivorous and eat invertebrates such as sponges, jellyfish and crabs. However, they gradually shift to an... More »

The diet of sea turtles varies by species and size. Some are generalists that consume fish, jellyfish and crustaceans, while others feed exclusively on a single prey, such as sponges. While adult sea turtles are only vul... More »

The Cheloniidae, or scute-shelled sea turtles, are a group of seven species with life spans ranging up to 75 years in captivity. Leatherbacks, which have shells covered in tough skin rather than scutes, live at least to ... More »

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While adult sea turtles have few natural predators, large sharks, such as the tiger shark, have been known to eat sea turtles. Killer whales have also been known to prey on sea turtles. Baby sea turtles are preyed upon b... More »