Snow patterns at Selawik National Wildlife Refuge. Credit: Lisa Hupp/USFWS

Collared lynx waking up from sedation. Credit: Lisa Hupp/USFWS

Fields of cotton grass span the tundra and hills of Arctic National Wildlife Refuge. Photo Credit: Danielle Brigida/ USFWS

Single caribou standing in a field of cottongrass on a green hill adjacent to the Hulahula River, Arctic National Wildlife…