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The Marsh Wren Singing and Gathering Nesting Material

10,000 Birds

It is obvious to me that the male Marsh Wrens at Sacramento National Wildlife Refuge are getting ready for the females to visit their breeding territories. Back in the 2010 breeding season, I was able to observe a male building a nest at this exact same time of year.

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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. America’s National Wildlife Refuge System is the world’s largest network of protected areas dedicated to wildlife conservation.

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