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.
USGS biologist Dave Mech has spent more than 20 summers studying Arctic wolves on Ellesmere Island, where they are unafraid of humans and can be observed at close range.
Public Domain.
