How arribada beaches are «born» is a greater mystery. (newscientist.com)
However in the rainy season, in a phenomenon called arribada, the turtles will come in by the hundreds, and sometimes even hundreds of thousands. (tamarindobeachinfo.com)
This beach is particularly known for its famous arribada, which brings hundreds of thousands of turtles, at least once a month, to lay their eggs in the sand. (nosara.com)