1.
Bustnes JO, Erikstad KE. The diets of sympatric wintering populations of Common Eider Somateria mollissima and King Eider S. spectabilis in Northern Norway. Ornis Fenn [Internet]. 1988Dec.31 [cited 2024Nov.1];65(4):163–168. Available from: https://ornisfennica.journal.fi/article/view/133269