Boudreau, Melanie R., et al. “An Alternative Approach to Evaluating the Energetic Carrying Capacity of the Landscape for Mallard Anas Platyrhynchos Wintering in the Mississippi Alluvial Valley, USA”. Wildfowl, vol. 74, Nov. 2024, pp. 113–131, https://tidsskrift.dk/Wildfowl/article/view/156371.