Delighted rowers were treated to the rare pleasure this afternoon - of sharing the river Thames with a dolphin (Thurs). <br /><br />The marine animal was spotted repeatedly breaching the water just west of Putney Bridge in West London at around midday.<br /><br />However, conservationists say seeing the dolphin this far up the Thames was a "worrying" sign.<br /><br />Mike Benson, head of rowing at Barn Elms Boat House, opposite Fulham's Craven Cottage stadium, spied the common dolphin from his office and rushed out on the water to get a closer look.
