Wolves in Flight

I read once where dogs could ride free on a plane, with a paid passenger, of course. And of course I think of wolves in place of dogs. Hey, there were snakes (baby pythons) on one plane (and I'm not talking about that movie), but one where the snakes actually got loose in the cargo hold, and they never did find them. They were from Down Under, and started with 12, and when they landed, ended up with 8. Now, where'd the other 4 go? They were on a Quantas flight. So if you plan on taking one of...