Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock () or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
American avocet chicks resting on the shore in Malheur Lake National Wildlife Refuge. The chicks were observed by USGS scientists conducting environmental contaminant research.
Public Domain.
