The document outlines the different feeding habits and shelters of various animals. It divides feeding habits into three categories: herbivores that only eat plants, carnivores that eat other animals, and omnivores that eat both plants and other animals. It then lists examples of animals for each category. The document also describes different types of shelters used by animals, such as nests, caves, burrows, cages, kennels, aquariums, houses, pens, tree holes, hives, coral reefs, and dams, along with examples of animals that use each type of shelter.