wintering, winter stay, hibernation, winter-camp, polar station
moving to warm places during the cold season
hibernation, sleepiness, lethargy
Зимой медведи наедают жир перед спячкой.
In winter, bears build up fat before hibernation.
Барсук, жировавший в лесу, готовился к спячке.
The badger, having fattened up in the forest, was preparing for hibernation.