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
A migratory bird, mallards are the most common nesting waterfowl species in the St. Croix Wetland Management District. Typical habitat includes scattered small wetland basins near a large wetland that provides water for brood habitat.
Page Photo Credits All photos courtesy of USFWS unless otherwise noted.
Last Updated: Mar 28, 2014