STEPHEN J. KRASEMANN / SCIENCE PHOTO LIBRARY STEPHEN J. KRASEMANN / SCIENCE PHOTO LIBRARY
Barren Ground Caribou (Rangifer tarandus) walking along Peel River bed to escape insects. This bull caribou is in prime condition and is a member of the Porcupine Caribou Herd which migrates between the Arctic National Wildlife Refuge (ANWR) and Yukon, Canada.
Model release not required. Property release not required.