The croaking of frogs in the Lincolnshire fens. We have
Cambridgeshire nightingales, meaning frogs; fen nightingales, the Liège
nightingale. In a somewhat similar way asses are called “Arcadian
nightingales.”
“Melancholy as ... the drone of a Lincolnshire bagpipe.” —Shakespeare: 1 Hen. IV., i. 2.
More on Lincolnshire Bagpipes from Infoplease:
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