highly significantp < 0.001
Not surprisingly given the philopatric nature of loggerhead turtles, pairwise F ST comparisons among global rookeries revealed highly significant differentiation with F ST values ranging from 0.964 (p < 0.001) between the rookeries of Brazil and the Mediterranean Sea to 0.303 (p < 0.001) between the rookeries of Cabo Verde and that of the USA (Fig.