Not so long ago, the lives of sea turtles were largely a mystery. From the time that hatchlings left the beaches where they were born to waddle into the ocean until females returned to lay their eggs, no one really knew where the turtles went or what they did.
Then researchers started attaching satellite trackers to young turtles. And that’s when scientists discovered that the turtles aren’t just passive ocean drifters; they actively swim at least some of the time.
Now scientists have used tracking technology to get some clues about where South Atlantic loggerhead turtles go. And it turns out that those turtles are traveling to some unexpected places.
Katherine Mansfield, a marine scientist and turtle biologist at the University of Central Florida in Orlando, and colleagues put 19 solar-powered satellite tags on young (less than a year old), lab-reared loggerhead sea turtles. The turtles were then let loose into the ocean off the coast of Brazil at various times during the hatching season, between November 2011 and April 2012.
The tags get applied to the turtles in several steps. Turtle shells are made of keratin, like your fingernails, and this flakes off and changes shape as a turtle grows. Mansfield’s team had figured out, thanks to a handy tip from a…
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