1.
Phillips VE, Wright RM. The differences in behaviour and feeding success of tame Mallard ducklings Anas platyrhynchos in the presence of high and low fish populations at a gravel pit site, with reference to wild brood distribution. Wildfowl [Internet]. 1993 Jan. 1 [cited 2025 Dec. 17];:69-74. Available from: https://tidsskrift.dk/Wildfowl/article/view/154701