Read the paragraph. Clouds blotted out the sun for the third day in a row, and Luz felt as though winter would never end. Looking for any indications that spring might be near, Luz scanned the yard. When she spotted the robins as they flew into the nearby shrubberies, Luz’s frown broke into a grin. Robins are the harbingers of spring, and when they arrive, warmer spring days soon follow. Which word is a synonym for harbingers ?