Our most common wildlife sightings were bison, though at the end of the day we saw several doe elk resting on a river bank. Signs warned us not to approach any wildlife including bison, because they can be dangerous. The animals typically acted as though all us gawking tourists weren't there. We also saw a bald eagle sitting in a nest high atop a tree, but a road sign told tourists not to stop, so I have no photos of the bird. Alas, no bear sightings. The manager of our RV park told us we wouldn't find grizzlies—they would find us.
There are still many patches of snow at the higher elevations.