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Theler Wetlands, Belfair, Washington, red-winged blackbird, sonogram
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Sonogram Made Visible

Theler Wetlands, Belfair, Washington

A female red-winged blackbird is calling on an early spring morning, and each warm breath condenses in the cold air.  Sound recordings of birds (or any other animal) can be graphed, much like musical notes can be shown on a sheet, and these graphs of bird songs/calls are called sonograms.  Here I managed to catch the blackbird making its own sonogram, which thrilled me to no end. Photo © copyright by Stephen Penland.

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