Foraging Mallard And Eurasian Teal Ducks On The Stream In Yangjae, Seoul, South Korea

male eurasian teal mallard foraging ducks stream animal bird flowing rippling flow forage searching food algae rocks shore habitat nature river pond lake duck teal water anseriformes waterfowl wild common wildlife eurasian feeding anatidae crecca nobody fowl anas wildfowl eating hunting swim reserve view conservation waterbird preserve flock background outdoor