Unlike many farms, Vergenoegd Wine Estate in Stellenbosch, South Africa doesn’t use pesticides to safeguard its vineyards from pests. Instead, workers rely on ducks to help control troublesome snails and other critters. In the above video by Great Big Story, duck farmer Denzel Metthys walks us through his daily routine: guiding a flock of more than 1000 ducks into the fields, and watching as they nibble 50 square meters per day.

[h/t Great Big Story]

Banner image courtesy of iStock.

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