Twin polar bears step out for a swim in their St. Louis Zoo public debut
Two-year-old twin polar bears Kallik (pronounced Kah-LEEK), left, and Kallu (Kah-LOO) take a swim during their public debut ...
Science Daily20d
Tracking polar bears during their most secretive stage of life
June 16, 2022 — An analysis of ancient DNA from a 100,000-year-old polar bear has revealed that extensive hybridization between polar bears and brown bears occurred during the last warm ...