Fun fact: The name Hippopotamus comes from the Ancient Greek ‘river horse’ Fun fact: A lion’s roar can be heard up to eight kilometres away Fun fact: All five species of prairie dog belong to the Scuiridae (squirrel) family. Their other biological relatives include groundhogs, chipmunks, marmots and woodchucks Fun fact: Tigers are the largest cat on earth and can reach a length of up to 3.3 metres (11 feet) and weigh as much as 300 kilograms (660 pounds) Fun fact: Polar bears have black skin and although their fur appears white, it is actually transparent Fun fact: A giraffe’s neck is too short to reach the ground. As a result, it has to awkwardly spread its front legs or kneel to reach the ground for a drink of water Fun fact: Lions go on the hunt for food mostly from dusk till dawn. Female lions do 85-90% of the prides hunting, whilst the male lions patrol the territory and protect the pride Fun fact: Koalas can only live in one place in the world, Australia. They only eats Eucalyptus leaves and will eat up to 2.5 pounds every day Fun fact: Beavers are the second largest rodent in the world after the capybara and have large front teeth that never stop growing Fun fact: Brown bear mamas have babies during the winter, while they are asleep!