Some Notes on the Diurnal Song of Birds
01 June 1939
Main paper
(Plate i.) H. G. ALEXANDER in his invaluable paper on the "Song of Birds " (antea, Vol. XXIX, pp. 190-8) dealt with, as it may be called, the " longitudinal aspect" of the subject, that is to say with the duration of song between the beginning and end of ...
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