This young bison was among a herd that was grazing close to the road we were driving along. He was a bit intimidating, so we didn't linger. It took me a while to notice the slobbery detail - a string of drool - hanging from his mouth.
Olympus OM-D E-M1, M.Zuiko 40-150mm f/2.8 lens +1.4x, ISO 400, 1/500 sec, f/7.1