Notes

01 June 1960
Comments Notes 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 div...
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Notes

01 July 1959
Comments Notes Duration of dives of Black-throated Diver.--In Sutherland on -25th May 1955 we were able to make continuous observations for nearly four hours on the diving of a Black-throated Diver (Gavia arctica). T h e site was a loch half a mile wide and seven miles ...
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