We've all heard of examples of smart animals who have learned amazing things, but here are 15 examples of ways that animals are even smarter than you ever thought possible! Some of them are even smarter than humans!
There is a pack of stray dogs in Moscow who have actually learned how to use the subway system. And they use it for pretty much the same reason that people do! They live and sleep in the suburbs and use the subway to commute to the city where it is easier to find food. Then every night they commute via the subway back to the suburbs with the humans on the way home after work. Amazing!