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First Sea Turtle Nest of the Season Spotted

BRUNSWICK, Ga. – Nesting season for loggerhead sea turtles has started on schedule.

The annual cycle of these massive turtles returning to beaches in the Southeast to lay their eggs began in Georgia with a nest found Saturday morning on Little Cumberland Island. Georgia Sea Turtle Cooperative members reported a second nest Sunday on Sea Island.

Georgia Sea Turtle Program Coordinator Mark Dodd said the first nests are “always around the first of May.” “It’s kind of like clockwork.”

This year’s first also has historical ties. While nesting has been monitored on all Georgia beaches since 1989, the network took root in 1964 when former University of Georgia professor Dr. Jim Richardson started the Little Cumberland Island Sea Turtle Project. That loggerhead monitoring effort is the oldest in North America and shares the status worldwide with a program started in South Africa the same year.

Little Cumberland Project Director Russell Regnery documented the nest on Little Cumberland Saturday. Hundreds more will follow on Georgia barrier islands, with nesting season for the state’s leading marine turtle and a protected species hitting full stride by June.

Predicting a total is anyone’s guess, according to Dodd, a senior wildlife biologist with the Georgia Department of Natural Resources. But one question is whether 2021 can top the 2,786 nests last year, or better yet, the 3,950 in 2019, the most since comprehensive monitoring began.

The state’s previous record was 3,289 nests in 2016. The total in 2019 also marked the first time the chunky-headed marine turtles had topped a Georgia recovery benchmark of 2,800 nests.

The loggerhead population has been increasing at approximately 4 percent annually since the early 1990s. However, a new population model developed by UGA and the U.S. Geological Survey using nesting and genetics data indicates the population will plateau at current levels for about the next 20 years, its progress hindered by low recruitment during the early 2000s, Dodd said. If current protections remain in place at least through that period, the model suggests loggerhead numbers would then start to increase again, possibly reaching levels not seen since the late 1950s.

Supporting that rebound is the goal of Georgia’s Sea Turtle Cooperative. The DNR-coordinated network of about 200 volunteers, researchers and agency employees patrols beaches daily during nesting season. Working under a federal permit, members mark, monitor and protect all loggerhead nests, plus those of other species that seldom nest in Georgia, such as green and Kemp’s ridley.

The effort not only eases predation and increases the number of young that hatch, the data collected is used to assess loggerhead populations, assess threats and inform management. Cooperators also help with beach management. The program has been in play on Georgia beaches for more than 30 years.

“The cooperative has done a tremendous amount of work,” and with a measurable impact, Dodd said. “We started out averaging about 800 nests a year and we’re now up to about 3,500.”

Like other marine turtles, loggerheads – named for their large heads – crawl ashore on barrier island beaches, dig a hole at the base of the dunes and lay their eggs, usually at night.

To prep for the season, Dodd and staff have been training interns, working with volunteers, partner agencies and organizations, and teaming with DNR’s Law Enforcement Division, all while navigating social distancing and other requirements involving the coronavirus pandemic. Game wardens enforce regulations including the use of turtle excluder devices, or TEDs, in commercial shrimping.

The process followed on Little Cumberland and Sea Island last weekend will be repeated hundreds of times this year. An egg from each nest – less than 1 percent of the average clutch size on the island – was collected for UGA genetic analysis documenting the number and relatedness of loggerheads nesting in Georgia. The nest was then covered with a screen to protect the eggs from predators.

DNR’s Wildlife Conservation Section works to conserve sea turtles and other wildlife not legally fished for or hunted, as well as rare plants and natural habitats. The agency does this largely through public support from fundraisers, grants and contributions.

Key fundraisers include sales of the monarch butterfly license plates and sales and renewals of bald eagle plate and older designs, such as the ruby-throated hummingbird. These tags cost only $25 more than a standard plate to buy or renew. Up to $20 of that fee goes to help wildlife.

WHAT YOU CAN DO

All marine turtles in Georgia are protected by state and federal law. To help conserve these species:

§ Minimize beachfront lighting during sea turtle nesting season. Turn off, shield or redirect lights.

§ When walking the beach at night, don’t use flashlights and flash photography. They can deter turtles from coming ashore to nest or cause them to abort nesting.

§ If you encounter a sea turtle on the beach, remain quiet, still and at a distance.

§ Leave turtle tracks undisturbed. Researchers use them to identify the species and mark nests for protection.

§ Properly dispose of your garbage. Turtles may mistake plastic bags, Styrofoam and trash floating in the water as food. After ingesting trash, it can kill them by clogging their intestines.

§ Protect beach vegetation: It stabilizes sand and the natural coastline.

§ When boating, stay alert and avoid turtles. Of the sea turtles found dead or hurt in Georgia last year, 26 percent suffered injuries consistent with being hit by a boat. Boaters who hit a sea turtle are urged to stand-by and immediately call DNR at 800-2-SAVE-ME (800-272-8363).

§ Also report any dead or injured sea turtles seen at 800-272-8363. (If the turtle is tagged, include the tag color and number in the report if possible.)

Sources: U.S. Fish and Wildlife Service, Georgia DNR

ACCIDENTAL CATCHES

Anglers who hook or entangle a sea turtle should call DNR at 800-2-SAVE-ME (800-272-8363). Also:

§ Keep your hands away from the turtle’s mouth and flippers.

§ Safely land the turtle using a net or by walking it to shore. Do not lift the turtle by the hook or by pulling on the line.

§ Leave the hook in place; removing it can cause more damage. (Anglers are encouraged to use non-stainless, barbless hooks when possible.)

§ Keep the turtle out of direct sunlight and cover it with a damp towel.

If an angler cannot reach DNR, cut the line as short as possible and release the turtle.

LOGGERHEADS AT A GLANCE

§ Caretta caretta: Most common sea turtle on Georgia’s coast; found off coast year-round. Also one of the world’s largest turtles, topping 350 pounds and sporting a carapace up to 44 inches long. How long loggerheads live is not known.

§ Range: The Atlantic, Pacific and Indian oceans, and the Mediterranean Sea. Nests in the U.S. from Virginia to Texas.

§ Nesting: Females reach sexual maturity at 30-35 years. From about May through September, they crawl ashore at night, dig a hole in the face of dunes along barrier island beaches, and deposit and cover eggs.

§ Pilgrimage: Eggs hatch in 55-65 days. The young scramble for the water, beginning a journey that can take them from sargassum weed off Georgia’s shores to a current-powered loop that circles to the Azores and the eastern Atlantic Ocean, south to west Africa and back to the western Atlantic.

§ Eats: Fish eggs and small invertebrates when small. As adults, they eat mainly crabs and mollusks, but also forage items like jellyfish and dead fish.

§ Status: Federally listed as threatened since 1978. Georgia DNR reclassified loggerheads in the state from threatened to endangered in 2006.

§ Threats: Primarily mortality associated with commercial fishing activities, but also nest predation by raccoons and feral hogs, poaching, loss of habitat, boat strikes, and even ingestion of plastic litter mistaken as food.

MORE ON THE NET

Georgia nesting updates by beach – seaturtle.org/nestdb/?view=3
Georgia Sea Turtle Cooperative – georgiawildlife.com/SeaTurtleCooperative. On Facebook: facebook.com/groups/228230141073849
Loggerhead profile – fisheries.noaa.gov/species/loggerhead-turtle

NESTING IN GEORGIA
Annual loggerhead nest totals since comprehensive surveys began in 1989.
1989 – 675
1990 – 1,031
1991 – 1,101
1992 – 1,048
1993 – 470
1994 – 1,360
1995 – 1,022
1996 – 1,096
1997 – 789
1998 – 1,055
1999 – 1,406
2000 – 1,060
2001 – 852
2002 – 1,028
2003 – 1,504
2004 – 358
2005 – 1,187
2006 – 1,389
2007 – 689
2008 – 1,649
2009 – 997
2010 – 1,761
2011 – 1,992
2012 – 2,241
2013 – 2,289
2014 – 1,201
2015 – 2,335
2016 – 3,289
2017 – 2,155
2018 – 1,735
2019 – 3,950
2020 – 2,786

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