Tierney N, Tierney RA, Björnsson Þorvaldur, Kolbeinsson Y, Townsend SE, Petersen A. Status and distribution of the Common Shelduck Tadorna tadorna in Iceland, with special reference to the core area in Borgarfjörður. Wildfowl [Internet]. 2020 Nov. 24 [cited 2025 Dec. 16];:127-4. Available from: https://tidsskrift.dk/Wildfowl/article/view/154572