A super-rare white blackbird has been spotted at Waitrose in Dorset, with experts warning that its appearance makes it stand out to predators. David Boag - an author of 18 books - was looking for blackbirds on January 20 when he stumbled upon the rare creature in the supermarket's car park in Wimborne Minster, Dorset. White blackbirds often live short lives because the white skin makes them susceptible to being ...