How does observation help us understand wildlife and habitat? Objective Using discovery and observation, students will better understand the role of little creatures as they relate to their habitat and other living things. Preparation Explain the following to the students: Not all little creatures can be found during the day. What are some little creatures that are active at night? (bats, moths and other insects, some mice and other rodents). How does a bat find its food? (Through the use of sonar. The bat sends out a high pitched sound as it flies. If those sound waves hit something—a moth or Duration: 30 Minutes.