The Marsh Wren Singing and Gathering Nesting Material
10,000 Birds
FEBRUARY 27, 2013
The male shown in the video above, filmed at Sacramento National Wildlife Refuge, was in the process of gathering nesting material for what usually adds up to a dozen to two dozen nests! Obviously, our National Wildlife Refuge System is one of our most cherished environmental treasures. Why do they build so many nests?
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