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

About the NWRS

National Wildlife Refuge System


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