Well. Australia with such a small pool of population won about 17 gold medals. That is awsome. Just let you know if aussie had the population of US , proportionately they would have won 255 gold medals. And you dont know wallabies. Aussie rugby team is called Wallabies, like Kiwi rugby team is called All Blacks, and Southafrican is called Springbocks. Here is the picture of wallabies. And of course Rugby is much much popular and exciting game than NFL.