A band of caribou from Alaska's Teshekpuk Lake herd migrates across the vast coastal plain, traveling from calving grounds to windier areas where mosquitoes and bot flies are less likely to swarm. Protecting calving grounds, migration routes, and insect-relief areas is critical to the herd's health and survival.
Snow geese with chicks. (Oil and the Geese series)
Snow geese with their blue-gray young cross a tundra polygon, a common feature in the western Arctic's permafrost landscape.
"Known and Unknown Tracks" (Oil and the Geese series)