Polar bears gorged on whales to survive past warm periods; won't suffice as climate warms
Tuesday, October 9, 2018 - 13:05
in Earth & Climate
Polar bears likely survived past warm periods in the Arctic, when sea ice cover was low, by scavenging on the carcasses of stranded large whales. This food source sustained the bears when they were largely restricted to land, unable to roam the ice in search of seals to hunt.