An curved arrow pointing right. A South African winemaker, Vergenoegd Low, has an army of more than 1,000 Indian runner ducks. They patrol the fields, eating snails to help control the pest ...

In order to keep its vines free of pests, the Vergenoegd Wine Estate in South Africa employs a group of very special groundskeepers: 900 ducks. Story by Tony Manfred and editing by Ben Nigh Follow ...