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The head and carapace (upper shell) range from a yellow-orange to a reddish brown, while the plastron (underside) is typically pale yellow. [20] The turtle's neck and sides are brown on the tops and yellow on the sides and bottom. [9] The turtle's shell is divided into two sections: carapace and plastron.
5) Female sea turtles lay their eggs. 6) When the season is over, female sea turtles return to feeding sites. 7) Baby sea turtles incubate for 60–80 days and hatch. 8) Newly hatched baby sea turtles emerge from nests and travel from the shore to the water. 9) Baby sea turtles mature in the ocean until they are ready to begin the cycle again.
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 ]
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Turtles can rest or sleep underwater for several hours at a time, but submergence time is much shorter while diving for food or to escape predators. Breath-holding ability is affected by activity and stress, which is why turtles quickly drown in shrimp trawlers and other fishing gear. [ 112 ]
Sea turtles stay in the ocean for the majority of their lives, with the females only coming to shore to lay eggs in the sand. The turtle leaves her nest on its own where the ambient temperature ...
In the northern part of their range common snapping turtles do not breathe for more than six months because ice covers their hibernating site. These turtles can get oxygen by pushing their head out of the mud and allowing gas exchange to take place through the membranes of their mouth and throat. This is known as extrapulmonary respiration. [30]
Image credits: Thomas Dolt #4. I lived near the beach in Oregon. I was out walking one day and saw a small crowd formed up ahead. Quite unusual as I rarely see more than 10 people on this beach at ...