If you want to see some mad skills by human shelties focused on chasing the moving object, check out the world championships of inline hockey live online. As we've discussed variously, USA cable television seems not to want to show many sports, no matter what they say. They'd rather show whatever gets rankings of course, and is cheap to produce. Some sports jealously guard the rights to their programming, making sure no one in the USA at least can see it. Others realize they need to let people see it to enjoy it (or not) and to build some demand (or not) for watching their sport.
So here's a link:
MikeB should like this!