Furthermore, because grizzly bears have babies at a very slow rate, it takes many years for the population to grow. Most of the grizzly bears in the United States, excluding Alaska, live in Yellowstone and Glacier National Parks. As grizzlies are still protected by the ESA. hunting them is illegal, As bear populations grow, it becomes very important to prevent encounters between humans and bears 20 to 40 bears are killed each year to protect the safety of humans. People living in grizzly bear habitats are encouraged not to leave garbage lying around in case bears are attracted to the smell, and parks put up signs warning people not to stray off the path. Visitors are also warned not to alarm any bears they encounter. Gray wolf Finally, the gray or timber wolf's story is one of the most compelling tales of American wildlife. Traditionally shunned because people fear them and consider them pests for killing livestock gray wolves have been shot, trapped, and poisoned, even in nature reserves. By the time the gray wolf was declared a protected species in 1973, only a few hundred remained in small pockets of the country. Today, the gray wolf population has been revived in some of its former habitats, like Yellowstone National Park, due to strong conservation efforts They have also started returning to places like Washington and idaho. The gray wolf is now listed as a species of least concern by In 2006, the United States government declared May 1 to be Endangered Species Day day devoted of endangered species With such positive steps toward educating people on the importance of conservation, there's reason to be optimistic about the future of endangere animals in U.S