UK wildlife series. In the last live programme of the series, Chris Packham and Kate Humble say goodbye to autumn and hello to winter.

UK wildlife series. Chris Packham and Kate Humble track down flocks of roosting starlings. Meanwhile guest presenter Iolo Williams reveals the mysterious life of the sea trout.

UK wildlife series. The team stays close to home, visiting some of the UK's 16 million back gardens to find out why they are such an important sanctuary for wildlife in autumn.

UK wildlife series. Chris and Martin visit the west coast of Scotland to catch up with the sea eagles of Mull and Nick Baker journeys into the world of an oak tree.

UK wildlife series. Chris and Kate are in the New Forest to enjoy the full splendour of autumn. In Scotland, Gordon Buchanan is on the Orkney Islands to check on grey seal pups.

UK wildlife series. Chris Packham and Kate Humble have been to Northern Ireland to visit Strangford Lough - more than 50 square miles of inland seawater.

UK wildlife series. Chris Packham and Kate Humble visit the south coast to witness bird migration in action. Plus Chris gets up close to some spectacular spiders.

UK wildlife series. Chris Packham and Kate Humble find red deer and peregrine falcons on a wild side of London, and Charlie Hamilton-James is on the trail of an otter and her cubs.