A year after an unusually high number of marine mammals became stranded in the Cape Cod Bay region, the problems appear to have abated this year. By this time last year, 133 marine mammals, mostly dolphins, had become stuck in tidal waters or had beached themselves due to disease or injury. This year, only 14 animals have been stranded, said Brian Sharp of the International Fund for Animal Welfare. Sharp said many specialists believe that last year’s high rate was due to the large number of dolphins that seemed to be staying in the area.Todd Feathers can be reached at email@example.com. Follow him on Twitter at @ToddFeathers.