Trail Ridge Road, Rocky Mountain National Park
For avid bird-watchers, Trail Ridge Road is way to go. Known for its alpine tundra terrain, this trail is ideal for spotting marmots and pikas (small, light-colored mammals) as well as a variety of birds, though some are rare and generally difficult to spot. White-tailed ptarmigans, for example, are some of the most sought-after birds in the park. Are you up for the challenge?
What you’ll see: Clark’s nutcrackers, Steller’s jays, golden eagles, prairie falcons, marmots, pikas