Mother polar bear (Ursus maritimus) with cub of the year feeding near a fin whale carcass in Svalbard, Norway

polar bear cub feeding whale carcass svalbard arctic marine mammal ursus maritimus wildlife nature maternal bonding foraging scavenging cold environment summer conservation observation natural habitat animal behavior ecosystem life ice survival north family predator food source environmental change climate remote location coastline northern hemisphere exploration biodiversity species weather snowy endangered