Hot summers mean that Florida turtles are mostly born female

Florida sea turtles are grappling with a gender imbalance exacerbated by climate change. Recent heat waves have warmed the sand on some beaches to the point that nearly every turtle born has been a female. said Pete Zerkelbach, director of the Turtle Hospital in Marathon, a city in the Florida Keys, a chain of tropical islands extending from the state’s southern tip. “Scientists studying sea turtle hatchlings and eggs have not found any sea turtle boys, so only female sea turtles for the past four years,” said Zirkelbach, whose turtle…

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