If you have spent any time observing seals at the zoo or in the wild, you may have seen the mammals swimming, walking, clapping, and even "barking" at one another. Now, scientists in Scotland have proved that with some vocal training, and the right incentive, the talented animals are also capable of mimicking the human language, accomplishing impressive tasks such as "singing" popular tunes like "Twinkle, Twinkle Little Star."