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The loggerhead's sex is dictated by the temperature of the underground nest. Incubation temperatures generally range from 26–32 °C (79–90 °F). Sea turtle eggs kept at a constant incubating temperature of 32 °C become females. Eggs incubating at 28 °C become males.
The baby sea turtles break free of the egg shell, dig through the sand, and crawl into the sea. Most species of sea turtles hatch at night. However, the Kemp's ridley sea turtle commonly hatches during the day. Sea turtle nests that hatch during the day are more vulnerable to predators, and may encounter more human activity on the beach.
Sea turtles will move north during spring and summer seasons to more nutrient rich bodies of water. In fall and winter seasons, they will migrate back in a southward direction. [5] Loggerhead Sea Turtle. Sea turtles are considered ectothermic non-avian reptiles. Temperature has a major effect on both metabolic and physiological process of the ...
Storm surge and rises in sea level — conditions which Beryl and other storms cause — pose significant threats to sea turtle eggs, because they can’t hatch if they’re swept out to sea.
About 50% of female sea turtles complete "false crawls," which occur when they crawl onto the beach but return to the water without laying eggs.
In sea turtles, hatchling sex is determined by incubation temperature. [8] In species in which eggs are laid then buried in sand, indentations in the sand can be a clue to imminent hatching. [ 9 ] In sea turtles, this usually occurs about 60 days after the laying of eggs, and often at night. [ 10 ]
Nevertheless, the success rate of the eggs is relatively low, with only a handful of eggs from each clutch resulting in a live turtle. Hatchling snapping turtles are barely the size of silver dollars.
The timing of sea turtle hatching tends to be almost synchronous among the whole clutch of eggs, with just about all the eggs in the nest hatching within the same time. This is thought to aid the process of the hatchlings unburying themselves from the sand and most often occurs at night time.