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About a third of the cold-stunned sea turtles found along Texas’ coast during last month’s deadly winter freeze survived following a massive rescue effort by experts and volunteers who were themselves struggling without power at home.
Of the approximately 13,000 sea turtles found, about 4,300 have been rehabilitated and released, according to the Sea Turtle Stranding and Salvage Network, a cooperative of federal, state and private partners coordinated by the National Oceanic and Atmospheric Administration. It’s been the largest cold-stunning event for sea turtles recorded in the U.S. since the network was established in 1980.
While the majority of the sea turtles found during the winter storm were already dead, those that survived wouldn’t have if not for the rescuers, said Barbara Schroeder, NOAA’s national sea turtle coordinator. She said the water and air temperatures were “too cold for too long” for them to recover on their own.
“The event was so severe—the temperatures were so extreme—yes, they absolutely would have all died,” said Schroeder, who added that a small number are still being cared for.
As below-freezing temperatures hit the coast during the February storm, scientists, volunteers and even the U.S. Coast Guard joined the effort to rescue the immobile sea turtles from the water and shore.
“Mind you, while they’re bringing and rescuing all of these sea turtles, we didn’t have power or water, our gas stations ran out of gas,” said Wendy Knight, executive director at Sea Turtle Inc., a nonprofit on South Padre Island.
Her group took in so many sea turtles—over 5,300—that they had to start placing them in the South Padre Island Convention Center.
Ed Caum, executive director of the South Padre Island Convention and Visitors Bureau, said that for a while during the week of the storm a vehicle pulled up “every 15 minutes or less” and dropped off turtles.
When water temperatures drop below about 50 degrees (10 degrees Celsius), sea turtles become lethargic and are unable to swim. Surf temperatures dropped into the low 40s that week on South Padre Island.
Some of the cold-stunned sea turtles had other problems as well, including hook infections and injuries from boats, Knight said.
Almost all of the rescued sea turtles were green turtles, Schroeder said.
Once rescued, the turtles were slowly warmed up.
“You can’t warm them up really, really quickly. And some of the turtles that came in live did not make it,” said Christopher Marshall, director of the Gulf Center for Sea Turtle Research, which rescued sea turtles in the Galveston area.
He said that once the turtles they rescued were revived, they were taken to the Houston Zoo for a check-up and if they then passed a swim test, they were returned to the Gulf.
Knight said they have held a volunteer appreciation day and made T-shirts for those who helped rescue the turtles that say: “I survived the great cold stun.”
“There were hundreds, maybe even thousands, I couldn’t even guess at how many people we had involved,” Knight said.
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About 4,300 cold-stunned turtles survived the Texas freeze (2021, March 25)
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