An American Bison (a.k.a. Buffalo) keeps a watchful eye on me while hunting for grass under snowfall.
Seen at the Rocky Mountain Arsenal National Wildlife Refuge just outside of Denver, Colorado.
EXIF:
OM System OM-1 camera, M.Zuiko 100-400mm f/5.0-6.3 lens
100mm, ISO 200, 1/1600 sec, f/5.6
