S I R S , -- I have read with great interest the note upon the song of t h e Chaffinch (Fringilla c. gengleri) in The Handbook of British Birds especially in reference t o t h e " alternative call " a s described byMr. H. G. Alexander, i.e.,the single prolonged " tswee-e-e " resembling the note of the Greenfinch. I t may be of interest t o record t h a t t h e first time I heard this note was in Irela...

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