A mother polar bear (Ursus maritimus), with cub of the year feeding on a fin whale carcass in Holmabukta, Svalbard, Norway

polar bear cub ursus maritimus fin whale carcass svalbard holmabukta feeding wildlife arctic marine life survival nature animal behavior conservation habitat ice winter ecosystem carnivore predator seal hunting maternal care adaptation food source environmental changes regions sea scavenging mammals coastal natural parenting researcher observation biodiversity snow preservation ecological balance fauna