William's journey starts in outback New South Wales. Richard Kingsford, also known as Dr Duck squeezes the larger-than-life actor into his small plane and shows him how to count water birds from up high.
Each week on Insight, award-winning journalist Jenny Brockie hosts a lively conversation and dives deep into a single topic.
How strong is the sibling bond? This week Insight asks: When is competition and conflict between siblings a good thing, and how can favouritism affect this.