Kenyan wool-buying cooperative is using its economic power to encourage shepherds to keep their flocks in enclosed areas to help save an endangered bird. Wildlife experts say the efforts to save the Sharpe's Longclaw bird, which lives in Kenya's central grasslands, are welcomed and could be applied to other endangered wildlife. Brenda Mulinya reports from Nyandarua, Kenya. VOA Khmer's Leakhena Sreng narrates.