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
These small, bright yellow birds nest in tree cavities and are an indicator of a healthy bottomland forest.
Page Photo Credits All photos courtesy of USFWS unless otherwise noted.
Last Updated: Nov 15, 2013