Journey to the far north of Alaska ... Porcupine caribou, named for a river within their range, can trek 3,000 miles in a year to reach their calving grounds north of the Brooks Range.

Since 2012, the ADFG has been using aerial methods to remove wolves from the herd’s range ... to between 30,000 and 80,000 caribou, which it says would sustain annual hunts of 2,400 to 8,000 animals.