Learn about the benefits of Tree Swallows in livestock production from farmer Hannah Bernhardt of Medicine Creek Farm and farmers Brian and Mary Keeter of Harmony Hills Farm. Hannah shares details on biodiversity at Medicine Creek Farm and how Tree Swallows have reduced costs for managing flies for her cattle. Brian and Mary share results from their farmer-led research funded by a Sustainable Agriculture Research and Education grant looking at fly populations before and after installing nest boxes at their farm.