Can mean “the alternation of two musical tones a diatonic next aside” or “a seem resembling a musical trill.” The flute-like trill from the Wooden thrush is Probably the most stunning music of any North American chicken. The descending trill of its relative the veery isn’t also shabby, either. A https://bookmarknap.com/story8491911/an-unbiased-view-of-birdwithmostwords-com