![Uncredited FILE - In this undated file photo provided by the U.S. Fish and Wildlife Service, caribou from the Porcupine Caribou Herd migrate onto the coastal plain of the Arctic National Wildlife Refuge in northeast Alaska. (U.S. Fish and Wildlife Service via AP, File)](https://mapi.associatedpress.com/v2/items/fdca573a58404172aadd4d7fe4b9326b/preview/preview.jpg?s=680x&wm=false)
FILE - In this undated file photo provided by the U.S. Fish and Wildlife Service, caribou from the Porcupine Caribou Herd migrate onto the coastal plain of the Arctic National Wildlife Refuge in northeast Alaska. (U.S. Fish and Wildlife Service via AP, File)
![Uncredited FILE - Caribou graze in the Arctic National Wildlife Refuge in Alaska, on June 1, 2001. (AP Photo/File)](https://mapi.associatedpress.com/v2/items/418f541d927d4c5d9d2f44a6a8b8ea70/preview/preview.jpg?s=680x&wm=false)
FILE - Caribou graze in the Arctic National Wildlife Refuge in Alaska, on June 1, 2001. (AP Photo/File)
![Lindsey Wasson FILE - The Kaktovik Lagoon and the Brooks Range mountains of the Arctic National Wildlife Refuge are seen in the distance, Tuesday, Oct. 15, 2024, in Kaktovik, Alaska. (AP Photo/Lindsey Wasson, File)](https://mapi.associatedpress.com/v2/items/4abc8db2cfae4f72a198890c991eae0c/preview/preview.jpg?s=680x&wm=false)
FILE - The Kaktovik Lagoon and the Brooks Range mountains of the Arctic National Wildlife Refuge are seen in the distance, Tuesday, Oct. 15, 2024, in Kaktovik, Alaska. (AP Photo/Lindsey Wasson, File)
![Lindsey Wasson FILE - Snow covers the mountains of the Brooks Range in the Arctic National Wildlife Refuge, Monday, Oct. 14, 2024, near Kaktovik, Alaska. (AP Photo/Lindsey Wasson, File)](https://mapi.associatedpress.com/v2/items/4a2574afdc914b86aa797c62592d565a/preview/preview.jpg?s=680x&wm=false)
FILE - Snow covers the mountains of the Brooks Range in the Arctic National Wildlife Refuge, Monday, Oct. 14, 2024, near Kaktovik, Alaska. (AP Photo/Lindsey Wasson, File)