Forget Cat Videos...

...rat videos are where it's at!

For those of you who have handled rats either as pets or in a lab, the fact that rats can do all of these clever tricks should come as no surprise. Rats are highly intelligent and relatively easy to train. So next time you're on the subway and you see one of these guys munching on a pizza crust, just picture it playing soccer or putting a coin in a piggy bank...

For more videos of well-trained rats, cats, and dogs (including Nana the Border Collie), check out useyourclicker.com.