Manatees are visiting Texas again but fossils suggest they may have been there thousands of years ago during the Ice Age

This summer, Texan shores welcome an unusual sight: manatees. Historical fossils reveal that these gentle giants once swam in Texas waters during the Pleistocene epoch. Researchers are delving into the survival strategies of ancient manatees in frigid conditions. Today, modern manatees confront threats from busy boat traffic in harbors. Perhaps these seasonal visitors signify a deeper, ancestral link to Texas's rich marine history.