SIRS,--With reference t o Mr. L. Parmenter's notes on t h e above subject (antea, p p . 152-3) t h e following observations m a y be of interest :-- On J a n u a r y 24th, 1936, a sunny morning with a fresh easterly wind blowing, there were 17 Goosanders (Mergus merganser) on t h e Pen Ponds, Richmond Park, Surrey. Two of them, a male and female, flew t o t h e Upper Pond from t h e Lower. The drak...

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