Dall sheep, Yukon, Canada (© Donald M. Jones/Minden Pictures)

【March 11 2014】Dall sheep roam the subarctic mountain ranges of western Canada and Alaska. Though they can be found in meadows, where they feast on grasses, they're never far from rocky cliffs, in case a predator arrives and they need to make a quick escape. Like mountain goats, Dall sheep are incredibly good climbers. Even lambs can scale stone walls that seem daunting to skilled human rock climbers.Explore breathtaking Gallery from the HuluTrip homepage over the past 5 years..