Helen Moncrieff, Shetland Manager for RSPB Scotland reflects on encounters with the Black Guillemot, or Tystie as they are known locally in Shetland after their piercing whistle. Show more
Discover 11,128,835 listings and 278,270 playable programmes from the BBC
Helen Moncrieff, Shetland Manager for RSPB Scotland reflects on encounters with the Black Guillemot, or Tystie as they are known locally in Shetland after their piercing whistle. Show more