Happy #firstdayoffall! Take a look at this picture from ianshivephoto: "A caribou! He only gave me a quick pause before he snorted and ran off the other direction, rejoining his herd in Arctic National Wildlife Refuge, Alaska." Take a look at more of Ian’s autumn photography at discovery.com/fallphotos . . . . . . . #caribou #alaska #animal #mammal #autumn #firstdayoffall #fall #arcticnationalwildliferefuge #arcticrefuge #autumnequinox