3rd Grade Example The Moose The article The Moose is expository text. The main idea is that moose are large animals that are part of the deer family with special features. Moose can reach 7-1/2 feet tall. In addition, girl moose, or cows, can reach 800 pounds while boy moose, or bulls, can be 900-1,400 pounds. They can be black or light brown. Also, in winter they can turn gray to blend in with the surroundings. Their antlers can be 5 feet long. They are good swimmers and live in forests near water. As you can see, these large animals have very interesting features.