Gentoo penguin (Pygoscelis papua) breeding colony at Petermann Island, Antarctica, Southern Ocean, Polar Regions

gentoo penguin pygoscelis papua breeding petermann island antarctica southern ocean polar region wildlife snow rocky terrain habitat animal behavior cold climate penguin colony antarctic wildlife sea birds natural habitat breeding ground nature eco system aquatic birds environment biodiversity species penguin pair antarctic landscape dark rocks white snow cold weather avian reproduction penguin nests animal interaction wildlife observation coastal area polar habitat island ecosystem temperature adaptation animal migration antarctic environment wildlife conservation marine biology seabird colonies freezing temperatures antarctic regions ecological study cold environment