A jogger says he had to do a double take when he noticed what he thought was a colony of penguins along the harbour wall. Stunned by what he saw, Steve Curran stopped in his tracks when he found what looked like eight of the Antarctic seabirds next to Dover port yesterday evening. He took a photograph and commented on a local residents’ Facebook page: “Out running, could have sworn penguins were walking up next to the port – had to double take.” But upon closer examination, he realised this was an optical illusion and nothing like what he initially believed he had seen. Mr Curran told KentOnli…