Polar bear cubs play tag on iceberg and in water Arctic National Wildlife Refuge Kaktovik, Alaska © 2016 Debbie Tubridy / TNWA Photography
Polar bears interact in the icy waters Arctic National Wildlife Refuge Kaktovik, Alaska © 2016 Debbie Tubridy / TNWA Photography
Momma polar bear intercepts encounter with another bear and her cub Arctic National Wildlife Refuge Kaktovik, Alaska © 2016 Debbie Tubridy / TNWA Photography
