Autumnwatch returns for an eight week celebration of UK wildlife. From the BBC Natural History Unit in Bristol, Chris Packham and Kate Humble share their adventures of the last few days on a wild side of London where red deer rut and peregrine falcons hunt. Wildlife cameraman Charlie Hamilton-James is on the trail of an otter and her cubs in Shetland, while Martin Hughes-Games is tracking down your wildlife stories, which include badgers living in the heart of the city.