Letters

01 February 1963 Comments Letters SIRS,--For exactly a fortnight--May 14th to 27th, 1913-- a mysterious bird was heard calling from the marshy border of Betton Pool, near Shrewsbury. Cartwright, the keeper, an observant man, who is familiar with the notes of all the ordinary water-fowl (w...
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Letter

01 April 1953 Comments Letters SIRS.--I am trying to collect information about ultra-quiet bird song (sub-song, etc.) and I should be grateful if you would allow me to appeal through the medium of British Birds for any help that other observers can give me. As records on this subject a...
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