A trio of polar bears walk in unison along the Barter Island landscape Arctic National Wildlife Refuge Kaktovik, Alaska © 2015 TNWA Photography / Debbie Tubridy
Young polar bear cub deep in thought Barter Island Kaktovik, Alaska © 2015 TNWA Photography / Debbie Tubridy
A polar bear mom and her 2 juveniles navigate the ice Arctic National Wildlife Refuge Kaktovik, Alaska © 2015 TNWA Photography / Debbie Tubridy