Roger Tory Peterson, the best known American figure of 20th Century birdwatching, offered help on birding by ear. Whenever he could, he provided a catchphrase to identify a bird's song. "Witchety-witchety-witchety" captures the song of this Common Yellowthroat. The California Quail seems to say, "Chicago, Chicago, Chicago." Go on a field trip with your local Audubon, and discover more bird songs. 

More info and transcript at BirdNote.org.

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