A young pup scoots along the waters edge, chasing my daughter, son and 3 other kids down the beach. The children stop, turn, bend down and giggle with delight as their eyes meet the pups’. The pup nods his head slightly as if to tell the kids to keep playing. They dutifully reply by turning and running into the shallow water. The pup follows excitedly, ready for more fun. This scene played out in front of my eyes within 5 minutes of our first shore landing on San Cristobal island in the Galápagos. I had read about the fearlessness of the animals on this remote island chain some 1,000 miles…