Similar Material w61 11/1 pp. 643-644 Man Learns from God’s Creations Bats—Misunderstood, Marvelous, Valuable, Endangered Awake!—1989 Amazing Senses in the Animal World Awake!—2003 The Dolphin’s Sonar Was It Designed? Bat Aid to Bible Understanding Meet the Bat—The Only Flying Mammal Awake!—1976 The Bat’s Echolocation Was It Designed? The Amazing Ability of Hearing Awake!—1975 Who Did It First? Life—How Did It Get Here? By Evolution or by Creation? I See With Sound Awake!—1978 “Perceived by the Things Made” The Watchtower Announcing Jehovah’s Kingdom—1978