By William Day | Impact and Operations Officer
Our adventurous green turtle, Nori, was released into the De Hoop Marine Protected Area on 26 November 2025, after two years of rehabilitation at the Turtle Conservation Centre.
Nori was rescued in Witsand in 2023 with neurological and eyesight issues. Her recovery involved an extensive environmental enrichment programme designed to encourage her natural behaviours, stimulate her mind, and help her regain the skills needed to thrive in the wild. And she certainly did thrive…
Over 309 days of satellite tracking, Nori travelled an extraordinary 12 540km, averaging 40.5km per day! With this weekend's Nelson Mandela Marathon activities fresh in mind, covering these distances day after day for more than ten months seems like a proper feat!
Unfortunately, after more than ten months of fascinating travels, Nori's satellite tag has stopped transmitting.
Importantly, the loss of a satellite signal does not necessarily indicate that anything negative has happened to Nori. Satellite tags have a lifespan of up to three years, so it is most likely that the battery on Nori's simply ran out.
The fact that Nori is a green turtle makes this achievement even more impressive. Green turtles have smoother, rounder, and oilier shells than some other turtle species, making it more difficult for satellite tags to remain securely attached for extended periods.
Shell growth can also loosen tags over time, particularly in favourable conditions where turtles may grow faster. The accumulation of algae and barnacles, known as biofouling, can interfere with signal transmission, while turtles rubbing their shells against rocks and reefs to scratch an itch can dislodge even securely attached tags.
Whatever the reason for the loss of transmission, the Turtle Conservation Centre is thrilled to have been able to track Nori's movements for nearly a year. And what a fascinating one it's been!
In the days following her release, Nori initially travelled southwards, making big loops through the surface currents and eddies associated with the Agulhas Current. However, she soon changed direction and began what would become an extraordinary northward journey through the Atlantic Ocean.
Although Nori's satellite tag has stopped transmitting, her journey certainly hasn't ended. Somewhere out in the vast Atlantic Ocean, we hope she is continuing to explore, forage, and thrive in her wild home.
The world is at Nori's flipper tips, and we wish her well on this next, untracked chapter of her adventure!
Thank you for reading and supporiting.
By shayle havemann | Project leader
By Tyrone Bennett | CEO of Action Change
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