adelie penguin on glacier ice, porquoi pas island, south of the antarctic circle

adelie afternoon antarctic appearance avian bergs birding birds blackandwhite circle colony comical determination evolution expeditiontravel explore extreme farsouth frozen glacier glaciers glistens harshenvironment ice icebergs island mountains nesting ocean pas penguin penguins plumage polar porquoi return south struggle sun surprised survival wildlifephotography