Features

  • Mexico Monarchs AnnMarie Krmpotich/USFWS

    Get Ready for the Monarch Migration

    The butterflies are getting restless. Mating is underway and the spring migration will begin this month.

    Report Your Milkweed, Monarch, Egg, and Caterpillar Sightings

  • Big Stone

    Big Stone National Wildlife Refuge

    The Northern Tallgrass Prairie is managed by Big Stone National Wildlife Refuge.

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About the NWRS

National Wildlife Refuge System

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The National Wildlife Refuge System, within the U.S. Fish and Wildlife Service, manages a national network of lands and waters set aside to conserve America's fish, wildlife, and plants.

Learn more about the NWRS