He/she shouldn't need to. The only people the seller needs to satisfy are those who wish to buy birds from him/her. I have no idea why some people here haunt EBAY & feel they need to report on what they feel are poor birds over here. There's no connection between to two sites that I'm aware of...
Not entirely true. The British have a perfectly accepable Standard for birds exhibited there. I believe there is an established Standard in Australia though they may use the British Standard. I also believe there are other written, established Standards in other parts of the world where neither...