Organizacje chroniące wilki szare
Wiele organizacji wspiera ochronę wilków szarych, m.in.:
- Center for Biological Diversity
- Defenders of Wildlife
- Earthjustice
- Endangered Species Coalition
- Greenpeace
- National Audubon Society
- National Parks Conservation Association
- Natural Resources Defense Council
- Northern Rockies Wolf Project
- Sierra Club
- The Humane Society of the United States
- WildEarth Guardians
- Wolf Conservation Center