Adult humpback whales (Megaptera novaeangliae) flukes-up dive in Snow Pass at sunset, Southeast Alaska, United States of America, North America

humpback whale flukes megaptera novaeangliae dive sunset snow pass southeast alaska ocean wildlife marine life north america adult whales nature scenic alaskan waters bidding farewell horizon water coastal serene evening aquatic beautiful animal behavior oceanic cetaceans biodiversity peaceful natural habitat swimming environmental marine mammal stunning sunset tranquil soft light migration alaska flukes up marine encounter nature lovers animal watching tail underwater diverse ecosystems nature scene wildlife conservation natural beauty preserved environment whale watching colorful sky