This document provides information about various Australian animals. It describes mammals as animals that feed their young with milk and lists cats as mammals. Marsupials are defined as animals that carry their young in pouches, with kangaroos given as an example. Details are then given about several iconic Australian animals, including kangaroos, which can hop at speeds up to 74 kph; snakes, with over 140 kinds in Australia and brown snakes being one of the most deadly; dingoes, the wild dogs of Australia; koalas that are only active for 2 hours per day; and platypuses that can swim and lay 2-4 eggs.