Peter Mather / Caribou (Rangifer tarandus) newborn calf nuzzling mother, of the porcupine herd, Arctic National Wildlife Refuge, Alaska
00577948
Peter Mather / Caribou (Rangifer tarandus) mother and newborn calf, of the porcupine herd, Arctic National Wildlife Refuge, Alaska
00965784
Michio Hoshino / Caribou (Rangifer tarandus) calf from Porcupine herd at calving grounds, ANWR, Alaska
00081593
Michio Hoshino / Caribou (Rangifer tarandus) aerial view of Porcupine Herd at calving ground on coastal plain, Arctic National Wildlife Refuge, Alaska
00081588
Michio Hoshino / Caribou (Rangifer tarandus) of the Porcupine Herd at calving grounds on coastal plain, Arctic National Wildlife Refuge, Alaska
00081584
Michio Hoshino / Caribou (Rangifer tarandus) aerial view of Porcupine Herd at calving ground on coastal plain, Arctic National Wildlife Refuge, Alaska
00081635
Michio Hoshino / Caribou (Rangifer tarandus) of the Porcupine Herd on tundra calving grounds, Arctic National Wildlife Refuge, Alaska
00577966
Peter Mather / Caribou (Rangifer tarandus) mother and newborn calf, of the porcupine herd, Arctic National Wildlife Refuge, Alaska
00577956
Peter Mather / Caribou (Rangifer tarandus) bull and females, of the porcupine herd, at calving grounds in fog, Arctic National Wildlife Refuge, Alaska
00577954
Peter Mather / Caribou (Rangifer tarandus) mother grazing with calf, of the porcupine herd, grazing, Arctic National Wildlife Refuge, Alaska
00577949
Peter Mather / Caribou (Rangifer tarandus) mother licking newborn calf, of the porcupine herd, Arctic National Wildlife Refuge, Alaska
00577947
Peter Mather / Caribou (Rangifer tarandus) mother and newborn calf, of the porcupine herd, Arctic National Wildlife Refuge, Alaska
00577946
Peter Mather / Caribou (Rangifer tarandus) newborn calf, of the porcupine herd, sleeping, Arctic National Wildlife Refuge, Alaska
00078294
Michio Hoshino / Caribou (Rangifer tarandus) aerial view of Porcupine Herd migrating across tundra to calving grounds, Arctic National Wildlife Refuge, Alaska
00081572
Michio Hoshino / Caribou (Rangifer tarandus) aerial view of calving grounds of the Porcupine Herd on coastal plain near western slope of Brooks Range, Arctic National Wildlife Refuge, Alaska