
20/09/2025
New article published in Ornis Fennica! Meissner & Kozakiewicz 2025: Local variation in s*x ratios in three species of wintering ducks: the need for large-scale sampling. https://ornisfennica.journal.fi/article/view/160744
This study investigates the hypothesis that site characteristics and flock size influence the s*x ratios of wintering ducks by examining three species: the Mallard (Anas platyrhynchos), the Goldeneye (Bucephala clangula), and the Long-tailed Duck (Clangula hyemalis) in the Gulf of Gdańsk, southern ...