A heron fishing for food in the Helford Estuary, Cornwall, South West England

animal british birds chordata chordates food chains mud flats peacefulness river weeds rivers wading wet mud alone aves avians beaks birds calmness country life daytime eating feathers feeding full length full length good life horizontal natural world nature nutrition outdoors outside river scenes ropes rural scenes simple life stock image stock photo stock photograph watching waters wildlife photography wildlife stock wings one animal one animals animal themes wilderness wild places wild animal wild animals side view color image color colour united kingdom uk