>>19694081Given the way that Rangers are supposed to work, you really should be able to catch a Wailord regardless of it's size, but the real reason is because it's sprite is too big to fit on one screen. It kinda cheeses me off, too. Here I have all these S ranks on all the other pokes in the Browser, but you can never get a rank for Wailord.
Anyway, I will go along with others in thinking that pokemon can be whatever height you think is appropriate for them. There are some heights in the dex that I don't think should be what they are at all. There are some I'm fine with. I cannot help but think they were designed as "kid size" since to a kid, a lot of these pokes would be huge. I was in /m/'s Digimon thread discussing how even most Champion digis are larger than everything save for a few legends and the giant snake pokes. I don't think they need to be that big, but some of them could be at least a little more impressive.