We’ve all heard of dog and horse shows, but did you know you can also show pet rats? That’s right, these friendly, adorable rodents partake in competitions based on their appearance and personality.

Add Yahoo as a preferred source to see more of our stories on Google. A rat at the Philadelphia Zoo is going viral after showing off some tricks. In a video posted to the zoo's social media on ...

A rat at the Philadelphia Zoo is going viral after showing off some tricks. In a video posted to the zoo's social media on Saturday, Spencer the rat can be seen crawling across the arms of a number of ...