Felines are quickly identifiable by their breed characteristics – from the orange, black, and white of calico cats to the grey and white of Siamese cats, and the orange fur of tabbies. We adore all felines, regardless of their size, shape, or color. Nevertheless, some kitties have unique markings that make them extra special and deserving of additional recognition. For instance, take a look at this one! It has a permanently worried expression.