By Lorna Moffat, Experienced Animal Keeper at the Royal Zoological Society of Scotland’s (RZSS) Edinburgh Zoo When you hear of a military promotion in the news, you would instantly think of a human being promoted up the ranks, or even a military working animal such as a horse or a dog. However, Nils Olav is not a human, but a king penguin that resides in Edinburgh Zoo and is part of the Norwegian… Source