Indian runner ducks have been used in Asia for thousands of years to control pests. Now they're used in a South African vineyard to eat snails that damage the vines. (Sarah Birnbaum for NPR) On ...

A group of Indian Runner ducks march past farm buildings at the Vergenoegd wine estate near Cape Town, South Africa, May 11, 2016. Each day, a quack squad of killer ducks are released for the first of ...

STELLENBOSCH, South Africa – The quacking is soft at first amid the vineyards that roll for miles in this South African wine-making town. But then the duck handlers whistle and wave their white flags, ...

The Port of Tacoma has been waging a slow war against (wait for it) a snail for more than a decade. Somehow, the Mediterranean vineyard snail found its way from Europe to the port. Since 2006, port ...

Add Yahoo as a preferred source to see more of our stories on Google. By Wendell Roelf STELLENBOSCH, South Africa (Reuters) - At 9.45 a.m. each day, more than 1,000 Indian Runner ducks are released ...

On Vergenoegd Wine Estate in Stellenbosch, South Africa, about a thousand Indian runner ducks parade twice a day into a vineyard to rid it of pests. It's a remarkably orderly scene. Unlike your ...

STELLENBOSCH, South Africa, May 25 (Reuters) - At 9.45 a.m. each day, more than 1,000 Indian Runner ducks are released for the first of two sorties at South Africa's Vergenoegd vineyard in ...