As winter approaches it becomes even more important to provide food for the birds in our gardens.  In this episode of Nature's Voice Jane Markham talks to the RSPB's Heather Mitchell about this year's Feed the Birds Day and out in the garden Richard Bashford suggests the five top things we can be doing at this time of year to help our wildlife. Plus BBC Autumnwatch cameraman Gordon Buchanan recounts his great moment with nature - a close encounterwith killer whales.