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
Caspian terns are the world’s largest terns. Adult birds have black legs, white head with black cap, thick reddish-orange bill with black tip and grey wings.
Page Photo Credits All photos courtesy of USFWS unless otherwise noted.
Last Updated: Jan 15, 2015