Notes on Outer Hebridean birds

SINCE Colonel Meinertzhagen pointed out (Ibis, 1934, pp. 52-61) that the Outer Hebrides present a particularly interesting feature of geographical variation in certain species, several short notes have amplified details. My own studies of the subject have caused me to visit North Uist, Harris and Knapdale, Argyllshire. The suggestion that high atmospheric humidity was the factor to which these hea...