What is this colour multation called? atiel..?

a href="http://www.google.com.au/imgres?imgurl=http://images04.olx.com.au/ui/9/78/07/1288073316_132167107_1-Pictures-of--Lost-White-and-Grey-atiel-in-Wollongong-CBD-Reward-1288073316.jpg&imgrefurl=http://wollongong.olx.com.au/lost-white-and-grey-atiel-in-wollongong-cbd-reward-iid-132167107&usg=__npkHAxqL3fDyHSGBrQTCyqtUgeA=&h=469&w=625&sz=23&hl=en&start=17&zoom=1&tbnid=KLUfsRu-a21G1M:&tbnh=102&tbnw=136&ei=Khc5Td-IEoT7lwfKysXeBg&prev=/images%3Fq%3Dgrey%2Band%2Bwhite%2Batiel%26hl%3Den%26biw%3D1267%26bih%3D699%26gbv%3D2%26tbs%3Disch:1&itbs=1" rel="nofollow"http://www.google.com.au/imgres?imgurl=h…/a