What's the Cleverest Thing A Hippo Can Do?

What is the cleverest thing hippos can do? This week we’re answering seven quirky questions about animals! Why do elephants like peanuts? Why do cows put their tongues up their noses? Has anyone ever ridden a tiger? How do woodpeckers cling to trees? Why is some bird poop black and some is white? Why do people make animals like sharks and bears sound way scarier than they are? Answers from Keenan Stears of the University of California, Santa Barbara, Christine Scales of Billings Farm & Museum ; shark researcher Kady Lyons and the Bird Diva Bridget Butler.