Someone call America's Got Talent! Meet Nellie, a very smart (and very cute) otter at the Point Defiance Zoo and Aquarium in Tacoma, Wash.

Watch Nellie show off her special talent of stacking a trio of plastic cups by size. Even when her trainers try to trick her at 0:33, she doesn't fall for it.https://youtu.be/wavh47RpLz4