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Loggerhead Sea Turtles...first nests of the season spotted


Loggerhead sea turtle  (C) Photo Patti Romano

Loggerhead sea turtle nesting has officially started on the South Carolina coast. On May 12th, Harbor Island announced the discovery of their first loggerhead nest for the season. On May 19th. the Seabrook Island turtle patrol found their first crawl and nest on Pelican Watch Beach.

From early to mid May and throughout the summer, female loggerhead sea turtles will come ashore to nest on southeastern U.S. beaches from North Carolina to Florida. The nesting females, weighing as much as 350 pounds, emerge from the foamy surf after the sun sets and slowly lumber up the cooling sands toward the dunes. The tracks they leave in the sand are unmistakable--at quick glance they resemble tire tracks coming up out of the ocean.The solitary loggerheads return to the same beach three or four times during the summer. At the end of their crawl, the mother turtle clears away the soft sand and spends several hours digging a nest with her hind flippers. Into this nest, which is about 20 inches deep and shaped like a light bulb, she drops about 110 ping-pong ball sized eggs with soft leathery white shells. Then, flinging sand in all directions, the turtle covers the nest and heads back to the moonlit ocean, never to see this nest or these eggs again. The eggs and the turtles inside are then on their own.

 For approximately 60 days, the eggs will incubate in the warm sand. At about day 30, an amazing event takes place. Depending on where the eggs are in the chamber and how hot or cool the weather has been determines the sex of the hatchlings. Warmer temperatures produce females and cooler temperatures produce males. The warmer the temperature, the sooner the eggs will hatch.
Amazingly, because the embryos inside the eggs move around, and the eggs bump each other, the turtles all develop at the same rate, and all hatch at about the same time. The hatchlings rip open the shell with an egg tooth at the end of their beak. They rest for a couple days and absorb the yolk sac attached to their plastron or lower shell. Their upper shell or carapace straightens out and hardens a bit.
Above the nest on the beach, turtle patrol members, checking the nest, see a small bowl-shaped indentation in the sand. The turtles are starting to dig! As they dig, some of the sand sifts down. The hatchlings are ready to "boil" from the nest! The boiling usually takes place on a starlit or moonlit night when the little turtles can scramble up and over the dunes and into the welcoming waters of the ocean before predators or birds can spot them.
The odds are stacked against these charismatic marine animals:  Only 1 in 10,000 loggerhead eggs that hatch will reach the loggerhead breeding age of 10 to 15 years.
 

Loggerhead hatchling  (C) Photo Seabrook Island Turtle Patrol

What can you do to help the sea turtles survive?

DO fill in all holes and remove beach chairs when leaving the beach. (Sea turtles can easily get trapped!)

DO turn out all lights that are visible from the beach from May 1 to October 31. (Adult turtles will not nest in light. Hatchlings will crawl toward light and never make it to the ocean.)

DO stay away from nesting turtles. Observe from afar.

DO notify local sea turtle patrol coordinators of a nesting or hatching event.

DO keep dogs on leashes in designated areas.

DO learn more about these wonderful marine creatures.

 

Hatchlings on their way (C) Photo Seabrook Island Turtle Patrol

DO NOT use flashlights or flash cameras during nesting or hatching events.

DO NOT handle hatchlings unless directed by your local sea turtle patrol.

DO NOT probe into or dig into newly laid turtle nests.

DO NOT leave trash or plastic on the beach. Plastic bags can be mistaken for food (like jellyfish) to sea turtles and will harm or even kill them.

 To learn more about sea turtles and other turtle species:

Loggerhead hatchlings "boiling" from nest (C) Phtot  SITP

Join the South Carolina Aquarium on Saturday, May 23rd from 10 am to 2 pm to celebrate World Turtle Day. Turtles face many threats to their survival and have declining numbers in the wild. World Turtle Day offers a rare opportunity for Aquarium guests to see many species of turtles including sea turtles, salt marsh turtles, freshwater turtles, and tortoises all in one place at one time. Visitors will enjoy speaking with turtle conservationists who actively participate in the rescue efforts of sea turtles, and they can learn how each of our daily decisions affects turtles and wildlife and wild places.

Additional Sea Turtle Hospital tours will be offered from 10:30 am to 1:30 pm for an extra fee (Adult $10, child $5). Call 843-577-FISH to book tours ahead of time.    www.scaquarium.org

The majestic sea turtles have many dedicated planet protectors on their side...  the SCDNR, the South Carolina Aquarium Sea Turtle Hospital, the local volunteer sea island turtle patrols... and you!     
                                                           

 SCDNR Marine Turtle Conservation Program: www.dnr.sc.gov/seaturtle/

 To report a sea turtle sighting:  www.seaturtles.org/istor

 

 

 

 

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By

Charleston Green Living Examiner

An avid wildlife conservationist and lover of all things green, Patti Romano teaches at the SC Aquarium and directs educational programming for...

Comments

  • Fred Zahrn 2 years ago
    Report Abuse

    Pattie: A wonderful article. How brilliant you are. Fred

  • TROY 2 years ago
    Report Abuse

    Very helpful and I really love those turtles... hope you can updated me always when you have some articles and news about turtles.

    Thanks.

    Loving all turtles,

    TROY
    jugger_run@yahoo.com

  • vania 2 years ago
    Report Abuse

    hey im would really like to see sea turtles hatching, do you kno a place where they do hatch?

    if you do email me at totallyawesome3000@yahoo.com

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