flock of double-crested cormorants on cliff in glacier bay，alaska

alasa alasaka alaska animal antarctic antarctica avian background bay bayalaska bird blue change clear cliff climate cold colored cormorants dark destination doublecrested fast floating flock flowing fly formation freezing glacier global iceberg layers majestic melting motion moving national natural nature outdoor park peak resting river running scenery scenic season sky snow spring standing stream texture thick warming water white wildlife winter