IN the Practical Handbook of British Birds, Vol. I., p. 501, it is stated that " t h e British Dipper (Cinclus c, gularis) is very scarce in . . . Durham". This statement is certainly misleading, as the Dipper is plentifully distributed on the banks of a large number of our Durham streams. It is only on the lower reaches of our rivers and on such of their tributaries as have been polluted by sewage...
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