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 population.

Indian Runner ducks weigh between 3-5 pounds and reach 20-30 inches tall, with males being larger. Despite their light weight, their wings are too small for them to fly.

Vergenoegd Löw is helping to spread sustainable farming methods by donating their renowned Indian Runner ducks to local vineyards, encouraging natural pest management and reducing chemical use ...