the black-throated loon (gavia arctica), bird resting on the sand near the water, ukraine

wild animal fauna aves birds black throated snorkel waterfowl gaviformes redthroated diver aquatic bird one red loon waterbirds potaplice ornithology animals avifauna coast gavia blackthroated arctic arctica britain british lake loch nature plumage scotland single summer uk water waterbird wildlife winter