Notes

01 March 1938
Comments Notes I HAVE paid particular attention to the singing of Crossbills (Loxia c. curvirostra) for some years, on and off, and I find that the song can be divided into four main varieties. In attempting to describe these songs below, I use the two sound descriptio...
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Notes

01 March 1933
Comments Notes IN an article on the Marsh- and Willow-Tits (antea, Vol. XXIV., p. 319), Mr. J. Walpole Bond stated that he had never seen or heard of a nest of a Marsh-Tit (Parus palustris dresseri) in masonry. It may, therefore, be of interest to record that I found s...
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