Donald Brix, a specialist in Chinese art history at the National Palace Museum, says that all the cats that appear in imperial art in the Song are long-haired (which is to say foreign) cats.
任職於故宮博物院研究中國藝術史的蒲思棠說，有宋一朝宮廷畫家的貓畫，清一色都是長毛貓。