A friend once took me to Minsmere Reserve years ago, she's a very keen birder. And (naturally!) when we arrived a crowd of frantically excited people told us "A bittern! A bittern! It was here about thirty minutes ago!" And we never did see it! But I joined the RSPB there and got a really lovely bird identification book half price as a new member. I also once took some ten year old pupils to Ranworth and there were dozens of thrilled folk photographing a marsh harrier. I pointed it out to the children but all they wanted to know was "Where's the shop please?" Cley and Salthouse are wonderful Jon, many interesting birds there.