It began back in 1966, when Colorado-born mine magnate Courtland Parfet bought the ranch, an area of grassland mainly for grazing beef cattle.

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Intensive grazing and frequent mowing of grassland on dairy farms has hit populations of birds like the turtle dove, grey partridge and corn bunting.

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One of the only places on Earth to see them in their natural habitat, the wax palms in Cocora Valley can grow to 60m tall, and hundreds of them randomly dot the cleared grassland like floral pinwheels, towering above fields of grazing livestock.

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By getting grazing cattle to stay in larger, tight herds, Savory was able to restore grassland vitality and increase grass biodiversity.

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