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The Marsh Wren Singing and Gathering Nesting Material

10,000 Birds

These vociferous little birds can usually be heard throughout the freshwater and saltwater marshes in North America. 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!

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Peregrine Falcons at the National Wildlife Refuges

10,000 Birds

Peregrine Falcon at Delevan National Wildlife Refuge. With the help of a captive breeding program, the Peregrine bounced back, and in 1999, they were removed from the Endangered Species List. References: 1 Birds of North America Online , 2 Wikipedia , 3 National Wildlife Refuge Association , 4 Defenders of Wildlife.

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