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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Notes

01 May 1951 Comments Notes ON April 8th, 1950, we inspected the nest of a Raven (Corvus corax). containing three eggs, situated high in the Plym Valley, Dartmoor, After we had withdrawn both Ravens flew around in the vicinity, but one, easily distinguishable by a number of missing...
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Notes

01 January 1950 Comments Notes IT is well-known that a great many species of birds make use of old nests of the Magpie (Pica pica). I have several times seen examples of Carrion Crows (Corvus corone) doing so. In 1949, for the first time, I have had an example of Rooks (C. frugilegus)...
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