est is a place of refuge to hold an animal"s eggs or provide a place to live or raise offspring. They are usually made of some organic material such as twigs, grass, and leaves; or may simply be a depression in the ground, or a hole in a tree, rock or building. Human-made materials, such as string, plastic, cloth, hair or paper, may be used.</p>

                        <p class="theme">
                            <span class="nature">Nature</span>
                            <span class="group3">Group 3</