The Spring song of the Rock Wrens is totally different from the rest of the year. They suddenly become virtuoso performers, rivalling Mockingbirds for the rapid-fire song variation award. This sample was edited from 20 minutes of recording to show that variation. The normal style is to repeat one of these phrases two or three times, then go on to the next - much like a Mocker does. I believe that a lot of the mimicry that our local Mockers [Arizona] perform is mimicry of Rock Wrens.
Douglas Von Gausig (recordist; copyright holder), Naturesongs.com
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