5 Squirrels : Squirrels are some of the most creative and smartest animals. They can come up with lots of creative ways to solve problems, especially when it comes to hiding and collecting food. Squirrels have exceptional memories, and have worked out that burying their food is the best way to keep it safe. Squirrels can remember exactly where they buried every single piece of food. Squirrels also use tricks to hide their food from other squirrels, they will fake bury their food to make it harder for other squirrels to steal from them.