WMZ does (I say "does" as sadly I have not managed a visit for a while, but I presume they are still there) have the clipped hybrids "Frosty" and "Jazzy" on an extensive climbing frame, but there is a notice explaining why they are kept this way (one is disabled I recall), so in their case I am happy enough - actually I love those two birds. A few years ago Flamingo Land had a pair of Umbrella Cockatoos that previously had been in an aviary displayed on a climbing frame, which I did not like and was amused when they chewed their thatched shelter to bits (not a surprise though). Much as I say I am an enthusiast for old style zoos I have no desire to see Parrots chained to stands! I too have my doubts about large Macaws as pet birds although I do sneak a look at a Scarlet in a house in Malton near to where I catch the bus to Flamingo Land. I loved the free-flying Macaws at Rode, particularly seeing Green-wings high above the trees - happy memories. With the spectacular scenery around the WMZ the Macaws in the bird displays are (I just typed "ara" by mistake!) a sight to behold.