Hello. I live in Greece. I just acquired a pair of white swans from the Netherlands but I am not sure how I should treat them. I have temporarily put them in a 4 x 4 (meters) enclosure and try to feed them wheat and corn. Also put some fresh water in a bucket with some vitamin solution. I am preparing a small pond for them (10 sq. meters) in the ground. Any advice ?? Please help. I want to do the best for them but have no experience.