Adult great cormorant swims in a lake submerging head into water in Den Oever, Netherlands at sunset

great cormorant swim dive submerge head slow motion phalacrocorax carbo feathers above water closeup reflection reflected animal bird black beak profile bill spring plumage large exotic wild wildlife wooden log lake ornithology cormorant hygiene black cormorant den oever netherlands rippled behavior adult male white neck one pond following tracking shot bog hunter swimming floating inside sunlight