Researchers in Scotland say, gray seals can copy the sounds of human words and songs including &quot;Twinkle, Twinkle, Little Star.&quot; &nbsp;<br />” <br />” The study by the University of St Andrews researchers showed that three trained seals were able to imitate parts of popular tunes.<br />” <br />” The research team's findings were published yesterday, including video footage of the seals.<br />” <br />” The study gave the researchers a better understanding of the evolution of vocal learning and human language development.<br />” <br />” It also suggested that gray seals could be a new model to study speech disorders since they use their vocal tracts the same way as humans.&nbsp;<br />” &nbsp;