Watch: Rare Footage Reveals First-Ever Look at Polar Bear Cubs Emerging From Dens

Polar bear cubs emerging from their dens for the first time: New study captures rare footage - EurekAlert

Rare Footage of Moms, Cubs Emerging from Dens Sheds Light on Elusive Polar Bear Reproduction

Polar bear cubs emerging from their dens for the first time: New study captures rare footage - EurekAlert