night heron, nycticorax nycticorax, grey water bird sitting in the water, hungary. wildlife scene from nature. bird in the water

adult animal avian beak beautiful bird birdwatching black blue bulgaria closeup color crowned cute czech delta egret eye fauna feather fishing france gray green heron hungary image lake marsh migratory molt natural nature night nycticorax plumage pond portrait second summer swamp wader water wetland white wild wildlife wing young