S15·E4 Episode 4

At the end of a dramatic first week in Gloucestershire, Michaela Strachan, Chris Packham and Gillian Burke report live on all the latest action from the National Trust's Sherborne Estate.

The blue tits are getting closer and closer to fledging, but the greater spotted woodpecker is visiting with increasing frequency. Meanwhile a nest is launched, a buzzard high up in a conifer, and the swallow chicks, only a day old, are growing rapidly.

Martin Hughes-Games is in north Wales, where he meets up with Iolo Williams to track down the elusive sand lizard, with an extraordinary live demonstration of autotomy.