About the NWRS
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
Mallards are one species of waterfowl that can be seen at Swan Lake National Wildlife Refuge.
Page Photo Credits All photos courtesy of USFWS unless otherwise noted.
Last Updated: Nov 28, 2014