1. The digger had frightened it. 2.The bird gave grandad a funny feeling were it was heading. Butterfly in your tummy. 3.People thought it was useless land. And all the farmers did it. 4.Grandad needed every bit of farmland he could get. 5.The bittern gave Grandad a funny feeling. He realised that if everyone on the Taieri River drained their swamp there’d be no place for the bittern to live.