The Royal Zoological Society of Scotland (RZSS) is celebrating Burns Night with its very own Robert Burns impersonator who has delivered a delightful ode to Haggis, the UK’s youngest pygmy hippo, at Edinburgh Zoo. br br In honour of the Bard's way with words, the wildlife conservation charity’s new take on the Address to a Haggis is a toast to both Scottish tradition and one of the most beloved zoo residents.