If on lost island use a full ghilie climbing picks and a sinomacrops fly up to the ceiling of one of the magmasaur caves and use the climbing picks to get onto the ceiling climb into the cave and look for a egg once a egg is located drop done on it (make sure there are no magmasaur there) then once you grab the egg FLY FOR YOUR LIFE to the exit once out and no magmasaur are chasing you your done!