填空题

Australia is the home of the kangaroo. In most parts of the world, a person must go to the zoo to see a kangaroo. In Australia, kangaroos move about in freedom in the forests and on the plains. Long ago, kangaroos were giants. They were almost ten feet tall. Today, kangaroos are about the size of a man. They are five to six feet tall and weigh about 150 pounds. Kangaroos stand on their large hind legs. They use these hind legs for jumping and, if necessary, for fighting. Close to the kangaroos’ body are small front legs. These are for finding and holding food. Kangaroos live in herds of 12 or more. Some herds have more than 50 kangaroos. A herd has no fixed home. It moves from place to place, searching for food. If something frightens the herd, the kangaroos jump away all at once. They can jump 25 feet or more and they can move at 25 miles per hour.

Where is the home of the kangaroo（）