All this he repeated again and again
with the utmost fervor. He could not have been more enthusiastic if he
had been making the sweetest music in the world. And I confess that I
thought he had reason to be proud of his work. The introduction of
wing-made sounds in the middle of a vocal performance was of itself a
stroke of something like genius. It put me in mind of the firing of
cannons as an accompaniment to the Anvil Chorus. Why should a creature
of such gifts be named for his bodily dimensions, or the shape of his
tail? Why not _Quiscalus gilmorius_, Gilmore's grackle?
That the sounds _were_ wing-made I had no thought of questioning. I had
seen the thing done,--seen it and heard it; and what shall a man trust,
if not his own eyes and ears, especially when each confirms the other?
Two days afterward, nevertheless, I began to doubt. I heard a grackle
"sing" in the manner just described, wing-beats and all, while flying
from one tree to another; and later still, in a country where
boat-tailed grackles were an every-day sight near the heart of the
village, I more than once saw them produce the sounds in question
without any perceptible movement of the wings, and furthermore, their
mandibles could be seen moving in time with the beats. So hard is it to
be sure of a thing, even when you see it and hear it.
"Oh yes," some sharp-witted reader will say, "you saw the wings
flapping,--beating time,--and so you imagined that the sounds were like
wing-beats.
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