Photo by @andywcoleman // Celebrating World Animal Day from Yellowstone and Grand Teton National Parks. Fall is a perfect time to visit these national treasures as the crowds are thinner and the backdrops are full of the colors of the changing seasons. We saw several moose near Gros Ventre Junction. This male was sparring with another bull before retreating to the safety of some thicker brush. #NPS100 #FindYourPark #WorldAnimalDay