#DYK Arctic sea ice plays a large role in the birth of polar bear cubs and whether they survive to adulthood? The polar bear’s reproductive journey is tied to the sea ice. In spring, males carefully sniff out any polar bear tracks they cross in their travels, as adult females are thought to leave behind a chemical scent that signals whether they’re available for breeding. When a male detects such a track, he immediately starts following the female until he catches up, sometimes traveling for lon

459K views · 8.5K reactions | Polar Bear Cubs: Surviving Arctic Challenges | Real Wild | Facebook

12K views · 417 reactions | Heartbreaking footage filmed in the Canadian Arctic provides graphic evidence of the impact of climate change on polar bears in the region, showing an emaciated animal scrounging for food on ice-free land. | Guardian Australia | Facebook