From Moo Deng and Ava the Tiger to Nala the Cat, the latest sensation capturing hearts online is Haggis the Hippo. Follow Moo Deng from a zoo in Thailand who has taken the internet by storm.

Celebrity pygmy hippo Moo Deng has company. A new baby born at the Metro Richmond Zoo will get her name from a public poll. "Poppy" is a leading contender.