Piracy by GadwalL--On 30th December 1959, near Cley, Norfolk, we watched four Gadwall (Anas strepera) worrying a drake Red-crested Pochard (Netta rufina), apparently with the aim of robbing it of its food. They followed it very closely and whenever it dived they hunted about anxiously, trying to keep track of its position under water. The Red-crested Pochard was surfacing with large pieces of vege...

Stay at the forefront of British birding by taking out a subscription to British Birds.

Subscribe Now