During my recent Yellowstone trip, I took a snowcoach from Mammoth Hot Springs to the Old Faithful Snow Lodge, where I stayed for a couple of days. In winter, a snowcoach is the only way (besides snowmobile) to get to Old Faithful. Along the 4 hour ride, we saw a lot of wildlife, including a couple different groups of Trumpeter Swans (Cygnus buccinator). Here are a couple of images I made along our ride:
