Again, should Finn remain calm, some of the whales will let him climb on their back to sit there — and if he comes to see them a couple of times, they will feel comfortable enough with him to allow their babies to surface. The baby sand whales are more playful than their parents and will try to get Finn to play hide and seek with them.

The only thing the whales know is that they have felt a powerful foreign presence on the planet "recently"... their perception of recently, that is.