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Sea turtles usually lay around 100 eggs at a time, but on average only one of the eggs from the nest will survive to adulthood. [135] Raccoons, foxes, and seabirds may raid nests or hatchlings may be eaten within minutes of hatching as they make their initial run for the ocean. [ 136 ]
Loggerhead turtle track on a beach A loggerhead sea turtle laying eggs. Female loggerheads first reproduce between the ages of 17 and 33, [75] and their mating period may last more than six weeks. [74] They court their mates, but these behaviors have not been thoroughly examined. [77]
Sea turtles are the only reptiles that migrate long distances to lay their eggs on a favored beach. Turtles have appeared in myths and folktales around the world. Some terrestrial and freshwater species are widely kept as pets. Turtles have been hunted for their meat, for use in traditional medicine, and for their shells.
Sexually mature females of the western pond turtle produce 5–13 eggs per clutch. They deposit eggs either once or twice a year. They may travel some distance from water for egg-laying, moving as much as 0.8 km (1/2 mile) away from and up to 90 m (300 ft) above the nearest source of water, but most nests are within 90 m (300 ft) of water.
The number of eggs in a flatback sea turtle's clutch are fewer than other sea turtles. [6] It will have an average of 50 eggs laid each time in a clutch, while other sea turtles may lay up to 100-150 eggs in a clutch. [6] [8] The eggs are about 55 mm (2.2 in) long within these clutches. [6]
Suitable terrestrial area is required for egg-laying by nesting females, who will normally lay 6–10 eggs at a time, with larger females capable of bearing more. Studies have shown the turtles' suitable area criteria will not change even with significant anthropogenic change, meaning humans should be careful when modifying yellow-bellied ...
Their mothers lay hundreds of eggs in warm sands along shorelines and waterways, and leave the eggs without her protection. Tortoises protect their young while turtles do not.
They are unique among sea turtle species in the latter behaviour, for which they are best known. Females return to the same beach from where they hatched, to lay their eggs. They lay their eggs in conical nests about 1.5 ft deep, which they laboriously dig with their hind flippers. [4]