article_snippet: A teething baby can be hard work.
article_snippet: Scroll down for video .
article_snippet: First-time father Kumbuka has, according to keepers, taken a back-seat approach to parenting, leaving most of the hard work to Mother Mjukuu. '
article_snippet: Mother Mjukuu is a very attentive mother.
highlights_snippet: The tiny animal showed off her teeth to watchful keepers in the enclosure .
  