Tried sending the below e-mail earlier, but it appears to have not gone through:
My apologies- wouldn't have believed it if I hadn't seen it myself, but
the "Orange-crowned" song is actually being produced by a Swamp
Sparrow. The most atypical, weakest, most varying-in-volume song I've
ever heard from a Swamp Sparrow. Sung very quietly. The song was so
much like an Orange-crowned that even when I saw the bird producing it
(which was undeniably a Swamp Sparrow) I kept kind of feeling like it
must just be lip- (bill-)synching, and that any second a real Orange
crowned would suddenly jump out from behind it and reveal it was
actually the one making the sound.
Tait Johansson
Lewisboro
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