I have a snake, he's fairly intelligent. Sometimes I like to play tricks on him by hiding something he likes to eat and then making a very simple puzzle for him to get to it. He's able to solve it the majority of the time.
My sister has a pet monkey that's incredibly intelligent. It communicates simple ideas with her through noises it makes as well as with facial expressions. He's able to convey a wide range of ideas and concepts. He also likes to dance, my sister is a skilled ukulele player and he loves to dance when she plays. And she's taught him how to smoke tobacco out of a pipe as well.