"Gray wolves in California are iconic, in part because they recolonized our state on their own, dispersing from the introduced populations in and around Yellowstone National Park." — #NatGeoExplorer and conservation scientist Kaggie Orrick (kagglerock) Their return is a conservation success, but it also brings new challenges and opportunities for the livestock producers and communities living alongside them. — The National Geographic Society is celebrating America’s 250th anniversary by supporting the Explorers protecting the keystone species that have sustained communities for centuries. Keystone species define our country's wild spaces — and make them worth preserving.