is for Goldfinch . . .
'as he goes he sings with a thin, wiry voice Per-CHIC-o-ree, and he does so rhythmically with his undulating flight, always breaking out with the song just at the crest of the wavelike curve.'[Matthews]
Back To Bird Studies Central
References
[1] Mathews, F. Schuyler, Field Book of Wild Birds and their Music. New York, G. P. Putman's Sons, 1904.