Huge flock of knot (Calidris canutus) in flight, Snettisham RSPB reserve, Norfolk, England, United Kingdom, Europe

photography colour colour image color color image horizontal horizontal image outdoors outside day nobody no one no one knot calidris canutus snettisham rspb reserve norfolk england english uk united kingdom gb great britain british britain europe european flying in flight animal themes animal animals fauna animal in the wild bird birds aves animal theme grass large group of animals flock flock of birds flocking abundance plentiful bountiful clustered varying focus water