Wahl, J., Svenning, J.-C., Stipniece, A., Nilsson, L., Molina, B., Lorentsen, S.-H., Lehikoinen, A., Langendoen, T., Keller, V., Hornman, M., Holt, C.A., Devos, K., Deceuninck, B., Clausen, P., Crowe, O., Balsby, T.J.S., Nagy, S., Christensen, T., Dalby, L. and Fox, A.D. 2016. Seeking explanations for recent changes in abundance of wintering Eurasian Wigeon (Anas penelope) in northwest Europe. Ornis Fennica. 93, 1 (Mar. 2016), 12–25. DOI:https://doi.org/10.51812/of.133884.