Hippo fans across the world celebrate the birth of baby hippo Paula at the Berlin Zoo. 33-year-old mom Kathi is doing well after the birth of her second hippo calf at the end of November.

Here is a link to an article about the birth with great pictures and video: http://www.dailymail.co.uk/news/article-1096345/VIDEO-Big-mamma-hippo-shows-adorable-new-calf-Paula-taking-swim.html.

And a video from YouTube: