Big Garden Birdwatch results in a spring freeze

The Big Garden Birdwatch 2013 shows sparrow and starling numbers continuing to decline and on this month's Nature's Voice we look at how saving nature starts at home in our gardens and window boxes. Jane Markham talks to the RSPB's Adrian Thomas - Homes for Wildlife blogger and gardening expert - about what to plant to give our birds, butterflies and bees a helping hand