Fen Nightingale.
A frog, which sings at night in the fens, as nightingales sing in the groves. (See Arcadian Nightingale.)
A frog, which sings at night in the fens, as nightingales sing in the groves. (See Arcadian Nightingale.)
Entry taken from Dictionary of Phrase and Fable, edited by the Rev. E. Cobham Brewer, LL.D. and revised in 1895.