nightingale
US /ˈnaɪ.t̬ɪŋ.ɡeɪl/
UK /ˈnaɪ.t̬ɪŋ.ɡeɪl/

1.
a small European thrush (Luscinia megarhynchos) noted for its rich, melodious nocturnal song
:
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The sweet song of the nightingale filled the evening air.
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We heard a nightingale singing from the dense bushes.