black headed gull on the neajlov river delta, romania

american pekin duck animal body call head wildlife animals wild aquatic organism beak beauty nature brown closeup color copy space bird feather female floating water front view horizontal lake waterfowl lancashire mallard mouth open people outdoor black headed gull outdoors pond public park quacking reflection rippled springtime swimming tranquil scene tranquility form conservation neajlov river delta romania forms 1000 hectars