10 Incredible Animals That Live in US National Parks

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    Moose

    Weighing in at over 1,200 pounds, the moose is considered one of the most majestic and dangerous creatures living in US National Parks. This largest member of the deer family can be found in spruce, aspen and willow forests throughout the northern United States and Canada, but Alaska's Denali National Park is one of the best places to spot them.

    Photo courtesy of NPS / Jacob W. Frank

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    Hawksbill Sea Turtle

    When it comes to exotic wildlife, Hawaii Volcanoes National Park reigns supreme, with 90 percent of the park's species found nowhere else in the world. One of the species that lives in the waters of the park -- though not isolated to this area -- is the Hawksbill sea turtle, a marine reptile who feeds on jellyfish, seaweed and small crustaceans.

    Photo courtesy of U.S. Fish and Wildlife Service Southeast Region

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    Bald Eagle

    Few animals epitomize the splendor of our country's natural beauty as much as the bald eagle, the national emblem of the United States. Thanks to the work of conservationists, the population of this once-endangered bird has stabilized, making them relatively easy to spot parks across the northern US, including Acadia National Park.

    Photo courtesy of Tambako The Jaguar

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    Grizzly Bears

    Grizzly bears are perhaps the most feared animal roaming the national parks of North America, an understandable sentiment when you realize these massive predators can move at speeds of 30 to 40 miles per hour. While a vast majority of the grizzly population lives in the wilderness of Alaska, Montana's Glacier National Park is home to the largest concentration in the Lower 48.

    Photo courtesy of NPS Photo/ Tim Rains

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    American Alligator

    If you want to see an American alligator in the wild, your best option is in Florida's Everglades National Park, where this massive reptile shares the waters with crocodiles, snakes, wading birds and many species of fish. While it's possible to spot gators and crocs from the relative safety of the park's boardwalks, you can get much closer by exploring the swampy park by boat.

    Photo courtesy of John Spade

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    Olympic Marmot

    The Olympic marmot, a cat-sized rodent, are found exclusively in the mountain meadows of Olympic National Park. Thanks to the park's three separate ecosystems and abundant walking trails, it's one of the best places in the country for wildlife spotting, whether you're on the lookout for marmots, giant slugs, whales or spotted owls.

    Photo courtesy of Gary Leavens

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    Gray Wolves

    While the gray wolf population in Alaska is thriving, this pack animal is endangered in all of the lower 48 states with the exception of Minnesota, where it's threatened. While it's possible to spot these canines in many US national parks, you're guaranteed to see one when you visit the Grizzly and Wolf Discovery Center in Yellowstone National Park.

    Photo courtesy of Ellie Attebery

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    Bighorn Sheep

    The massive horns of the aptly named bighorn sheep can weigh up to 30 pounds, a symbol of status and an effective weapon in territory wars between males residing throughout the Rocky Mountain Range, including in Rocky Mountain National Park and Utah's Zion National Park. Look for these surefooted beasts scaling hillsides and steep cliffs.

    Photo courtesy of Shanthanu Bhardwaj

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    Salamanders

    If you want to spot a wide range of salamander species, go for a hike in Great Smoky Mountains National Park, nicknamed the "Salamander Capital of the World" for the 30 species from five families that live there. These soft-skinned amphibians love moist habitats, so look for them beneath stones and logs.

    Photo courtesy of Brian Gratwicke

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    American Bison

    The American bison is the heaviest land mammal native to North America, and you can spot them grazing on the plains of North Dakota, South Dakota and Wyoming, particularly in Badlands National Park, Theodore Roosevelt National Park and the impressive Grand Teton National Park.

    Photo courtesy of Krishna Santhanam