BONUS!!! For the last 5 weeks we have taken a look at the five senses through animals who have the best of those senses. But did you know that there are some other senses out there that we don't have? Birds can see the magnetic field of the earth so to aid with their migration and sharks don't just have five senses, they don't have six senses they have seven!With birds we first learn about migration: what is migration and how do birds know when and where to go? With sharks we understand why t...