Tod Sebens and Nicholas Szatkowski have seen large numbers of humpback whales congregating. Tod saw about 100 near Cape Fanshaw, and Nicholas saw a dozen cows and calves between Sullivan Island and William Henry Bay. This is the time of year that humpback whales swim to Hawaii. It seems most swim south to warmer climes for the winter, although some are residents, perhaps non-breeding adults. Usually cows and calves are not seen in groups. The exception is…