A Galapagos giant tortoise was witnessed swimming in the sea on San Cristobal Island
https://zenwriting.net/ceallasimn/leandro-vaca-a-traveler-that-journeyed-for-a-day-excursion-to-the-beach-of-san
Leandro Vaca a visitor that journeyed for a day excursion to the beach of San Cristobal island in the Galapagos island chain, made the hike to Cerro Brujo beach. His motivation was to get pleasure from snorkeling