Staying hydrated as the sun goes down. #bison #americanbison #wildlifephotography #wildlifeplanet #wildlifeaddicts #wildlifeconservation natgeo natgeoyourshot #yourshotphotographer #yellowstone #greateryellowstoneecosystem yellowstonenps #sonyalpha #sonyalphafemale #lexarmemory #gitzoinspires #sunset