Robin

David Attenborough presents the robin. Christmas cards became popular around 1860 and robins often featured, carrying letters in their beaks or lifting door-knockers and were often referred to as the 'little postmen'. Until 1861, postmen wore red coats and were nick-named redbreasts or Robins, so the association between a familiar winter bird and the person who brought Christmas greetings was irresistible.

Tweet of the Day is a series of fascinating stories about our British birds inspired by their calls and songs.