Night two of Winterwatch brings all the beauty of the season live from RSPB Arne in Dorset. Our cameras have been capturing wildlife dramas around the clock and Chris Packham and Michaela Strachan reveal the latest developments. Iolo Williams brings the latest wildlife sightings from Brownsea island, which include the native red squirrels who are doing what they do best and squirreling away their nuts to help them through the winter. Gillian continues her Orkney adventures and sets sail to find some of the more elusive island inhabitants.