Features

  • Barbara Hysell Monarch Butterfly

    Audios Monarcas

    The last generation of monarchs migrate to Mexico. The supergeneration migrates from mid-August in the north to early October in the south.

    Report Your Sightings

  • Refuge Gallery

    US Fish and Wildlife Service Field Notes

    See the latest activities, events, and conservation work at Agassiz National Wildlife Refuge.

    Field Notes

About the NWRS

National Wildlife Refuge System

NWRS Logo

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