Make room Moo Deng, a new pygmy hippo at Kansas' Tanganyika Wildlife Park has taken the internet by storm. Mars captured hearts worldwide when his mom gave him the universal "mom stare" after he refused to leave the pool at dinnertime. Together, Mars and Moo Deng have made pygmy hippos an internet favorite, despite there only being about 3,000 remaining in the wild. Aside from the significant difference in size, what distinguishes a pygmy hippo from its larger cousin, the common hippo? 🦛 From d