Examples from the Web for nightjar
"Like going from the nightingale to the nightjar," said Arabella.Sandra Belloni, Complete|George Meredith
Horsfield's nightjar (C. macrurus) is perhaps not sufficiently abundant on the Nilgiris to deserve mention in this essay.Birds of the Indian Hills|Douglas Dewar
The Nightjar breeds in May or June, a little later in the north than in the south.
And out of the distance the nightjar set again to its churring.Memoirs of a Midget|Walter de la Mare
But we have lingered too long already with the Nightjar, and must pass on to a notice of other birds upon the heath.
British Dictionary definitions for nightjar
Word Origin for nightjar
Word Origin and History for nightjar
nocturnal bird, goatsucker, 1620s, from night + jar (v.). So called for the "jarring" sounds made by the male when the female is brooding, which have been described as a "churring trill that seems to change direction as it rises and falls." An Old English word for it was nihthræfn "night raven."