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Florida's Sea Turtles: The Nesting Season
From May to October turtles nest all along the Florida coast. Female loggerhead, Kemp's ridley, and other species living in the Atlantic Ocean or Gulf of Mexico swim as much as 2,000 miles to the Florida shore. By night they drag their 100- to 400-pound bodies onto the beach to the dune line. Then each digs a hole with her flippers, drops in 100 or so eggs, covers them up, and returns to sea.
The babies hatch about 60 days later. Once they burst out of the sand, the hatchlings must get to sea rapidly or risk becoming dehydrated from the sun or being caught by crabs, birds, or other predators.
Instinctively, baby turtles head toward bright light, probably because for millions of years starlight or moonlight reflected on the waves was the brightest light around, serving to guide hatchlings to water. But now light from beach development can lead the babies in the wrong direction, toward the street rather than the water. To help, many coastal towns enforce light restrictions during nesting months. Florida homeowners are asked to dim their lights on behalf of baby sea turtles.
At night, volunteers walk the beaches, searching for signs of turtle nests. Upon finding telltale scratches in the sand, they cordon off the sites, so beachgoers will leave the spots undisturbed. Volunteers also keep watch over nests when babies are about to hatch and assist if the hatchlings get disoriented.
It's a hazardous world for baby turtles. They can die after eating tar balls or plastic debris, or they can be gobbled by sharks or circling birds. Only about one in a thousand survives to adulthood. After reaching the water, the babies make their way to warm currents. East Coast hatchlings drift into the Gulf Stream, spending years floating around the Atlantic.
Males never return to land, but when females attain maturity, in 15–20 years, they return to shore to lay eggs. Remarkably, even after migrating hundreds and even thousands of miles out at sea, most return to the very beach where they were born to deposit their eggs. Each time they nest, they come back to the same stretch of beach. In fact, the more they nest, the more accurate they get, until eventually they return time and again to within a few feet of where they last laid their eggs. These incredible navigation skills remain for the most part a mystery despite intense scientific study.
Several local organizations offer nightly turtle walks during nesting season. Most are in June and July, starting around 8 pm and sometimes lasting until midnight. Expect a $10 to $15 fee. Call in advance to confirm times and to reserve a spot—places usually take reservations as early as April. If you're in southern Palm Beach County, contact Boca Raton's Gumbo Limbo Nature Center (561/338–1473 www.gumbolimbo.org). The John D. MacArthur Beach State Park (561/624–6952 www.macarthurbeach.org) is convenient for Palm Beach–area visitors at the northern end of Singer Island. Hobe Sound Nature Center (772/546–2067 www.hobesoundnaturecenter.com) is farther up. Treasure Coasters in or near Vero Beach can go to Sebastian Inlet State Park (321/984–4852 www.floridastateparks.org/sebastianinlet).Updated: 10-2013
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