Fox Ranch, outside Yuma County, Colo., is a 14,000-acre nature preserve and working commercial cattle ranch. The ranch is used by the Nature Conservancy to put into practice its panned grazing technique. Luke Runyon/Harvest Public Media hide caption

toggle caption Luke Runyon/Harvest Public Media

Cattle and zebra share a meal in a pasture in Kenya. Ryan Lee Sensenig/Science hide caption

toggle caption Ryan Lee Sensenig/Science

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