More than 42,000 people volunteer their time and ideas each year to the U.S. Fish and Wildlife Service. Whether they work on the land, in a visitor center or with youth, they contribute to the conservation mission that reaches back more than a century. Become a volunteer to contribute your strength on behalf of America’s natural resources.Volunteers are critical to the management of our wildlife and habitats. You can enjoy a productive and rewarding experience as a volunteer with the U.S. Fish and Wildlife Service. Contact the Complex office for information on volunteer opportunities.
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Riparian brush rabbits are possibly California's most endangered mammal. By the 1990s, their numbers dwindled to near extinction due to habitat loss and degradation. The Refuge is home to the largest wild population of riparian brush rabbits in the world.