Newborn animals are entirely dependent on their moms! Baby koalas sometimes share moms, and these marsupial moms carry their young joeys in pouches. They live their life in eucalyptus trees, and they have special bacteria in their long gut to help them digest these toxic leaves. In the wild they leave their mom at 12 months to go off and live on their own. European elk have been reintroduced to a wildlife park in Scotland after being extinct for many years, and now calves are bing born and dad keeps an eye on the family. Asian small-clawed otters survive by sticking together in a family group. The pups are blind when they are born, and the mother is very protective. and affectionate. Their webbed hands help make them excellent swimmers, and they communicate with all kinds of sounds. In their native Asia, they live in mangroves and swamps. At the Sanata Ana Zoo, black howler monkeys babies stick close to their moms. Males are black but females and young are golden brown in colour. In the wild forests of Central and South America, they would face dangers, here they can use their prehensile tails to swing in safety. Digesting their diet of leaves takes a lot of energy, so they spend lots of time resting. Howler monkeys are the loudest animals in the world, and can be hear from five kilometers away. In the wild their voice scares off competitors. Mammals all take care of the young and teach them the skills they need to survive as adults.